8x-(12-x)=51

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Solution for 8x-(12-x)=51 equation: 



8x-(12-x)=51

We move all terms to the left:

8x-(12-x)-(51)=0

We add all the numbers together, and all the variables

8x-(-1x+12)-51=0

We get rid of parentheses

8x+1x-12-51=0

We add all the numbers together, and all the variables

9x-63=0

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

9x=63

x=63/9

x=7

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