21(2x+9)=252

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Solution for 21(2x+9)=252 equation: 



21(2x+9)=252

We move all terms to the left:

21(2x+9)-(252)=0

We multiply parentheses

42x+189-252=0

We add all the numbers together, and all the variables

42x-63=0

We move all terms containing x to the left, all other terms to the right

42x=63

x=63/42

x=1+1/2

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