30+8x+(7x-15)=180

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Solution for 30+8x+(7x-15)=180 equation: 



30+8x+(7x-15)=180

We move all terms to the left:

30+8x+(7x-15)-(180)=0

We add all the numbers together, and all the variables

8x+(7x-15)-150=0

We get rid of parentheses

8x+7x-15-150=0

We add all the numbers together, and all the variables

15x-165=0

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

15x=165

x=165/15

x=11

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