12x+30=360-(70+80)

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Solution for 12x+30=360-(70+80) equation: 



12x+30=360-(70+80)

We move all terms to the left:

12x+30-(360-(70+80))=0

We add all the numbers together, and all the variables

12x+30-(360-150)=0

We add all the numbers together, and all the variables

12x-180=0

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

12x=180

x=180/12

x=15

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