If (5 / 4-3a) x + 5x-3 = 0 is a linear equation of one variable with respect to x, then a=

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• 1. The solution of one variable linear equation 0.5x + 1 = 0 is the image and function of one order function y = 0.5x + 1______ The abscissa of
• 2. Read the following process before answering the question: solve equation (X-2) (x + 3) = 6 X-2 = 6, x + 3 = 6, x 1 = 8, x 2 = 3 Please judge whether the above process is correct? If not, please write the correct process
• 3. If - 2x ^ 2-5M + 1 = 0 is a univariate linear equation about X, then M =?
• 4. Teacher. (2x - 2) (x - 1) = 0. The general form is. 2x & # 178; - 2x - 2 = 0
• 5. How to solve the engineering problem of linear equation of one variable, encounter problem and so on? In the first semester of junior high school, I taught the linear equation of one variable in mathematics. When I encounter problems like this, I can't find the equivalent relation. What should I do? It's better to send all kinds of formulas of various problems in the second semester of junior high school,
• 6. The problem of "practically solving the equation of one variable and one degree" in grade one of junior high school A shopping mall sells two goods at 99 yuan. One loses 10% and the other makes 10% profit. Is it a loss or a profit for the total price of two goods
• 7. The problem of linear equation with one variable on the first day of junior high school··· When a bicycle is moving at a fixed speed in front of it, there is a car to catch up with. If the speed is 30km / h, it will catch up in one hour; if the speed is 35km / h, it will catch up in 40 minutes to find the bicycle speed
• 8. A store bought 100 a-clock products and 80 B-type products from the wholesale Department of a company. The total cost was 2800 yuan. When the store retailed, the price of each A-type product was increased by 15%, and that of each B-type product was increased by 10%. After all the products were sold, the total income was 3140 yuan. How much was the purchase price of a and B-type products?
• 9. The total cost of two pieces of clothing is 500 yuan. In order to make a profit, the store owner decides to price the clothing at 50% of the profit and the clothing at 40% of the profit. In actual sales, at the request of customers, the two pieces of clothing are sold at a 10% discount. In this way, the store makes a total profit of 157 yuan. How much is the cost of the two pieces of clothing?
• 10. One minus two by three equals x minus one by two
• 11. 1.3x + 0.5 minus 5 = 1.1x + 2.5
• 12. 3x is equal to four out of seven. How to find x
• 13. 3.8X+15=8.3X-12 emergency
• 14. How to calculate x ^ 2-3x + 2 = 0
• 15. The law of term shifting of linear equation with one variable No URL
• 16. The question of moving term of linear equation with one variable My question is relatively simple. Let's take an example: why does 5x + 2 = 7x-3 have an expression of 5x + 7x = - 3-2 after moving the term? My question is mainly made up of - 3 + or - a certain number after moving the 7x-3. The example doesn't need to be answered, just explain the problem
• 17. How to solve the problem of removing brackets in the equation of one degree?
• 18. Write a linear equation with one variable whose solution is x = 1, which requires at least one denominator and one bracket You experts help~
• 19. x^+x+3 There are three questions, and I need not only the answers but also the process
• 20. x^3-x^2-4x+4