20=7x-12x

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Solution for 20=7x-12x equation:



20=7x-12x
We move all terms to the left:
20-(7x-12x)=0
We add all the numbers together, and all the variables
-(-5x)+20=0
We get rid of parentheses
5x+20=0
We move all terms containing x to the left, all other terms to the right
5x=-20
x=-20/5
x=-4

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