3(x+1)+x=7

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Solution for 3(x+1)+x=7 equation: 



3(x+1)+x=7

We move all terms to the left:

3(x+1)+x-(7)=0

We add all the numbers together, and all the variables

x+3(x+1)-7=0

We multiply parentheses

x+3x+3-7=0

We add all the numbers together, and all the variables

4x-4=0

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

4x=4

x=4/4

x=1

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