8(1-x)=5x+21

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Solution for 8(1-x)=5x+21 equation: 



8(1-x)=5x+21

We move all terms to the left:

8(1-x)-(5x+21)=0

We add all the numbers together, and all the variables

8(-1x+1)-(5x+21)=0

We multiply parentheses

-8x-(5x+21)+8=0

We get rid of parentheses

-8x-5x-21+8=0

We add all the numbers together, and all the variables

-13x-13=0

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

-13x=13

x=13/-13

x=-1

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