-12=-2x+0.5(20-6x)

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Solution for -12=-2x+0.5(20-6x) equation:



-12=-2x+0.5(20-6x)
We move all terms to the left:
-12-(-2x+0.5(20-6x))=0
We add all the numbers together, and all the variables
-(-2x+0.5(-6x+20))-12=0
We calculate terms in parentheses: -(-2x+0.5(-6x+20)), so:
-2x+0.5(-6x+20)
We multiply parentheses
-2x-3x+10
We add all the numbers together, and all the variables
-5x+10
Back to the equation:
-(-5x+10)
We get rid of parentheses
5x-10-12=0
We add all the numbers together, and all the variables
5x-22=0
We move all terms containing x to the left, all other terms to the right
5x=22
x=22/5
x=4+2/5

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