7x+3(5x-10)=124

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Solution for 7x+3(5x-10)=124 equation: 



7x+3(5x-10)=124

We move all terms to the left:

7x+3(5x-10)-(124)=0

We multiply parentheses

7x+15x-30-124=0

We add all the numbers together, and all the variables

22x-154=0

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

22x=154

x=154/22

x=7

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