5(2+x)=4(x+20)

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Solution for 5(2+x)=4(x+20) equation:



5(2+x)=4(x+20)
We move all terms to the left:
5(2+x)-(4(x+20))=0
We add all the numbers together, and all the variables
5(x+2)-(4(x+20))=0
We multiply parentheses
5x-(4(x+20))+10=0
We calculate terms in parentheses: -(4(x+20)), so:
4(x+20)
We multiply parentheses
4x+80
Back to the equation:
-(4x+80)
We get rid of parentheses
5x-4x-80+10=0
We add all the numbers together, and all the variables
x-70=0
We move all terms containing x to the left, all other terms to the right
x=70

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