20-4x=8-x

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Solution for 20-4x=8-x equation:



20-4x=8-x
We move all terms to the left:
20-4x-(8-x)=0
We add all the numbers together, and all the variables
-4x-(-1x+8)+20=0
We get rid of parentheses
-4x+1x-8+20=0
We add all the numbers together, and all the variables
-3x+12=0
We move all terms containing x to the left, all other terms to the right
-3x=-12
x=-12/-3
x=+4

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