7(3x+15)=5x+9

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Solution for 7(3x+15)=5x+9 equation: 



7(3x+15)=5x+9

We move all terms to the left:

7(3x+15)-(5x+9)=0

We multiply parentheses

21x-(5x+9)+105=0

We get rid of parentheses

21x-5x-9+105=0

We add all the numbers together, and all the variables

16x+96=0

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

16x=-96

x=-96/16

x=-6

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