Solution equation: 5x-2 = 7x + 8

Transfer term to get: 5x-7x = 8 + 2, merge similar term to get: - 2x = 10, divide both sides of the equation by - 2 to get: x = - 5

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1. 5x + 2 = 7x-8, shift term to 7x-5x = - 8 + 2 Why did the plus sign go to the back when it was in the front and a minus sign was added to the front of 8? Why didn't the plus sign go to the back instead of the front
2. The solution of 5x-8 = 7x + 1 is?
3. 32-7X-5X=30
4. If 5x + 9 = 24, then the value of 7x + 8x is
5. To solve the equation 2x out of 3-5X = 1
6. Is there a simple way to solve the equation X-13 / 26x-7 = 2-3 / 2x?
7. How to solve the equation 2x / 3-26x-5 / 13 = 2-1 / 3x
8. 2 / 3 X-1 / 5 x = 1 solution
9. 3 / 2x + 6 / 1X = 9 / 4 solution equation
10. The solution equation is: 4 (X-13) = 23 + X (6.3-3.8 △ 2 + 2.7) × 3 = 9.912.6-2.2x = 3.1x-4.36 4（x－13）＝23＋x （6.3-3.8÷2+2.7）×3＝9.9 12.6-2.2x=3.1x-4.36 What's the formula
11. Is the result of 6 (2-5x) - 3 (x) 6 (2-7x) or 2-7x?
12. 1.3 of 1 (6 + x) = 2.82.9 * 3-1.7x = 13.4
13. 1. In the three numbers 1, - 2,2 / 1, the solution of 7x + 1 = 10-2x is () 2. If x = 5 is the solution of the equation AX + 5 = 10-4a, then a = () 3. Three times of a certain number is two times larger than half of it. If a certain number is y, then the equation is ()
14. How to solve 7x + 18 = 2x
15. In class, the teacher gave you such a question: "known 5a-2x + 3 = 0, 4b-7x-21 = 0 If a is less than 6 and less than or equal to B, find the value range of X
16. How to do 18-7x = 2x-9
17. 8-7x=4+2x
18. 7x-6=2x+8
19. We know that the product of a polynomial and the monomial - 7x & # 178; Y & # 179; is The fourth power of 21x, the fifth power of Y minus the seventh power of 28x, the seventh power of y plus the sixth power of 14x, the sixth power of Y, try to find this polynomial
20. Given that the product of a polynomial and the monomial - 7x ^ 5Y ^ 4 is 21x ^ 5Y ^ 4-28x ^ 7Y ^ 4 + 7Y (2x ^ 3Y ^ 2) ^ 2, find the polynomial