7(2x+3)-4(x-2)=129

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Solution for 7(2x+3)-4(x-2)=129 equation: 



7(2x+3)-4(x-2)=129

We move all terms to the left:

7(2x+3)-4(x-2)-(129)=0

We multiply parentheses

14x-4x+21+8-129=0

We add all the numbers together, and all the variables

10x-100=0

We move all terms containing x to the left, all other terms to the right

10x=100

x=100/10

x=10

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