20=18(x+2)-4

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Solution for 20=18(x+2)-4 equation:



20=18(x+2)-4
We move all terms to the left:
20-(18(x+2)-4)=0
We calculate terms in parentheses: -(18(x+2)-4), so:
18(x+2)-4
We multiply parentheses
18x+36-4
We add all the numbers together, and all the variables
18x+32
Back to the equation:
-(18x+32)
We get rid of parentheses
-18x-32+20=0
We add all the numbers together, and all the variables
-18x-12=0
We move all terms containing x to the left, all other terms to the right
-18x=12
x=12/-18
x=-2/3

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