3(5x+3)+18=15x+21x

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Solution for 3(5x+3)+18=15x+21x equation: 



3(5x+3)+18=15x+21x

We move all terms to the left:

3(5x+3)+18-(15x+21x)=0

We add all the numbers together, and all the variables

3(5x+3)-(+36x)+18=0

We multiply parentheses

15x-(+36x)+9+18=0

We get rid of parentheses

15x-36x+9+18=0

We add all the numbers together, and all the variables

-21x+27=0

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

-21x=-27

x=-27/-21

x=1+2/7

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