7(-1)+8=5(7-x)+12

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Solution for 7(-1)+8=5(7-x)+12 equation: 



7(-1)+8=5(7-x)+12

We move all terms to the left:

7(-1)+8-(5(7-x)+12)=0

We add all the numbers together, and all the variables

-(5(-1x+7)+12)+8+7(-1)=0

We add all the numbers together, and all the variables

-(5(-1x+7)+12)+1=0



We calculate terms in parentheses: -(5(-1x+7)+12), so:

5(-1x+7)+12

We multiply parentheses

-5x+35+12

We add all the numbers together, and all the variables

-5x+47

Back to the equation:

-(-5x+47)



We get rid of parentheses

5x-47+1=0

We add all the numbers together, and all the variables

5x-46=0

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

5x=46

x=46/5

x=9+1/5

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