2x-18=2(20-x)

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Solution for 2x-18=2(20-x) equation:



2x-18=2(20-x)
We move all terms to the left:
2x-18-(2(20-x))=0
We add all the numbers together, and all the variables
2x-(2(-1x+20))-18=0
We calculate terms in parentheses: -(2(-1x+20)), so:
2(-1x+20)
We multiply parentheses
-2x+40
Back to the equation:
-(-2x+40)
We get rid of parentheses
2x+2x-40-18=0
We add all the numbers together, and all the variables
4x-58=0
We move all terms containing x to the left, all other terms to the right
4x=58
x=58/4
x=14+1/2

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