30+7.5x=52.5

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Solution for 30+7.5x=52.5 equation: 



30+7.5x=52.5

We move all terms to the left:

30+7.5x-(52.5)=0

We add all the numbers together, and all the variables

7.5x-22.5=0

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

7.5x=22.5

x=22.5/7.5

x=3

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