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20(x+2)+31=4(5x+10)+31
We move all terms to the left:
20(x+2)+31-(4(5x+10)+31)=0
We multiply parentheses
20x-(4(5x+10)+31)+40+31=0
We calculate terms in parentheses: -(4(5x+10)+31), so:We add all the numbers together, and all the variables
4(5x+10)+31
We multiply parentheses
20x+40+31
We add all the numbers together, and all the variables
20x+71
Back to the equation:
-(20x+71)
20x-(20x+71)+71=0
We get rid of parentheses
20x-20x-71+71=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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