15x+21(x-3)=369

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Solution for 15x+21(x-3)=369 equation: 



15x+21(x-3)=369

We move all terms to the left:

15x+21(x-3)-(369)=0

We multiply parentheses

15x+21x-63-369=0

We add all the numbers together, and all the variables

36x-432=0

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

36x=432

x=432/36

x=12

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