-1/2(12-20)+4=-12-8v

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Solution for -1/2(12-20)+4=-12-8v equation: 



-1/2(12-20)+4=-12-8v

We move all terms to the left:

-1/2(12-20)+4-(-12-8v)=0

We add all the numbers together, and all the variables

-(-8v-12)+4-1/2(-8)=0

We get rid of parentheses

8v+12+4-1/2(-8)=0

We multiply all the terms by the denominator


8v*2(-8)-1+12*2(-8)+4*2(-8)=0

We add all the numbers together, and all the variables

8v*2(-8)-257=0

Wy multiply elements

16v^2(--257=0

We use the square of the difference formula

16v^2(+257=0

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