(3-x)8=-72

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Solution for (3-x)8=-72 equation: 



(3-x)8=-72

We move all terms to the left:

(3-x)8-(-72)=0

We add all the numbers together, and all the variables

(-1x+3)8-(-72)=0

We add all the numbers together, and all the variables

(-1x+3)8+72=0

We multiply parentheses

-8x+24+72=0

We add all the numbers together, and all the variables

-8x+96=0

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

-8x=-96

x=-96/-8

x=+12

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