-12=-20-9x

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Solution for -12=-20-9x equation:



-12=-20-9x
We move all terms to the left:
-12-(-20-9x)=0
We add all the numbers together, and all the variables
-(-9x-20)-12=0
We get rid of parentheses
9x+20-12=0
We add all the numbers together, and all the variables
9x+8=0
We move all terms containing x to the left, all other terms to the right
9x=-8
x=-8/9
x=-8/9

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