21(21+2x+8)=27(x+27)

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Solution for 21(21+2x+8)=27(x+27) equation:



21(21+2x+8)=27(x+27)
We move all terms to the left:
21(21+2x+8)-(27(x+27))=0
We add all the numbers together, and all the variables
21(2x+29)-(27(x+27))=0
We multiply parentheses
42x-(27(x+27))+609=0
We calculate terms in parentheses: -(27(x+27)), so:
27(x+27)
We multiply parentheses
27x+729
Back to the equation:
-(27x+729)
We get rid of parentheses
42x-27x-729+609=0
We add all the numbers together, and all the variables
15x-120=0
We move all terms containing x to the left, all other terms to the right
15x=120
x=120/15
x=8

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