30+7x+3x=180

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Solution for 30+7x+3x=180 equation: 



30+7x+3x=180

We move all terms to the left:

30+7x+3x-(180)=0

We add all the numbers together, and all the variables

10x-150=0

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

10x=150

x=150/10

x=15

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