2 (2x - 1) - 4 (x + 1) = 3 (x + 1) - 5 (2x - 1)

RELATED INFORMATIONS

• 1. Try two methods to solve the equation 2 (2x-1) - 4 (x + 1) = 3 (x + 1) - 5 (2x-1) There must be two
• 2. It is known that the solution of the equation 1 / 2 (1-x) = 1 + K and the solution of the equation 4 / 3 (3x + 2) = 10 / K-2 / 3 (x-1) about X are opposite to each other, and the value of K can be obtained
• 3. It is known that the solution of the equation 2 / 1 (1-x) = 1 + K and the solution of the equation 4 / 3 (x-1) - 5 / 2 (3x + 2) = 10 / K-2 / 3 (x-1) are opposite to each other, so the value of K can be obtained
• 4. It is known that the sum of the solutions of the equation 1 / 2 (1-x) = 1 + K and 3 / 4 (x-1) - 2 / 5 (3x + 2) = K / 10-3 / 2 (x-1) is 0 It is known that the sum of the solution of the equation 1 / 2 (1-x) = 1 + K and the solution of 3 / 4 (x-1) - 3 / 5 (3x + 2) = 1 / 10k-3 / 2 (x-1) about X is 0. To find the value of K, we need the whole analytical process of the equation
• 5. If the solution of the equation 2x KX + 1 = 5x-2 is 2, then the value of K is?
• 6. If the solution of the equation 2x-kx + 1 = 5x-2 is - 1, then the value of K is______ ．
• 7. (1) What is the quotient of the sum of 14 and 18 in addition to their difference? (2) Eight times of a number plus 6.8 equals 60% of 74. What's the number? (solved by equation)
• 8. The difference between two times and three fifths of a number is equal to the difference between one and three fifths of a number. What is the number
• 9. 1. What's 1 / 2 of 5 / 3? 2. 5 / 6 of a number is equal to the sum of 3 1 / 7. What's the number? (use equation solution) .
• 10. How to solve the equation that 2x-1 / 3 equals 5 / 6?
• 11. 3 [2 (1-2x) - 1] - 1 = 5 two methods are used to solve the equation
• 12. There is a piece of iron wire. The first time you use half of it is less than 1 meter, and the second time you use the remaining half is more than 1 meter. At this time, there are still 3 meters left. How long was the iron wire originally? Using equation
• 13. There is a piece of iron wire. For the first time, more than half of it is used. For the second time, the remaining half is less than 1 meter. At this time, there are still 3.5 meters left. How long is the original length of the iron wire?
• 14. Two ropes of the same length, one used 1 / 3 of the rope, the other used 1 / 3 of the rope, compared with the remaining wire
• 15. Three fifths of the length of a piece of rope is used for the first time, and the rest is one-half of the length used. How long is the length of this piece of rope?
• 16. For a piece of wire, three fifths of a meter is used for the first time, and then the rest is two tenths of a meter less than the one used A vegetable base, in which 5% of 1 kind of cabbage, 10% of 3 kinds of cucumber, the rest of the beans?
• 17. There is a 20 meter long rope, which is divided into four meter long segments. How many segments do you need?
• 18. A three fifths long rope is cut into the same six segments, each segment is () meters long, and each segment is a fraction of the total length
• 19. I cut a rope four fifths of a meter long into equal sections for three times. How many meters is the average length of each section?
• 20. How many sections can a 5-meter rope be cut into a quarter meter long section? How many parts of a 5-meter rope are three sections?