3(x+7)=8x+7

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Solution for 3(x+7)=8x+7 equation: 



3(x+7)=8x+7

We move all terms to the left:

3(x+7)-(8x+7)=0

We multiply parentheses

3x-(8x+7)+21=0

We get rid of parentheses

3x-8x-7+21=0

We add all the numbers together, and all the variables

-5x+14=0

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

-5x=-14

x=-14/-5

x=2+4/5

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