3(x-7)=x+4

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



3(x-7)=x+4

We move all terms to the left:

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

We multiply parentheses

3x-(x+4)-21=0

We get rid of parentheses

3x-x-4-21=0

We add all the numbers together, and all the variables

2x-25=0

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

2x=25

x=25/2

x=12+1/2

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