(15x)*2+(6x-9)*2=360

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Solution for (15x)*2+(6x-9)*2=360 equation: 



(15x)*2+(6x-9)*2=360

We move all terms to the left:

(15x)*2+(6x-9)*2-(360)=0

We multiply parentheses

15x*2+12x-18-360=0

Wy multiply elements

30x+12x-18-360=0

We add all the numbers together, and all the variables

42x-378=0

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

42x=378

x=378/42

x=9

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