7x-4-2x=2x-25

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Solution for 7x-4-2x=2x-25 equation:



7x-4-2x=2x-25
We move all terms to the left:
7x-4-2x-(2x-25)=0
We add all the numbers together, and all the variables
5x-(2x-25)-4=0
We get rid of parentheses
5x-2x+25-4=0
We add all the numbers together, and all the variables
3x+21=0
We move all terms containing x to the left, all other terms to the right
3x=-21
x=-21/3
x=-7

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