7x+(x-1)=12

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Solution for 7x+(x-1)=12 equation: 



7x+(x-1)=12

We move all terms to the left:

7x+(x-1)-(12)=0

We get rid of parentheses

7x+x-1-12=0

We add all the numbers together, and all the variables

8x-13=0

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

8x=13

x=13/8

x=1+5/8

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