7x-15=16.5

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Solution for 7x-15=16.5 equation: 



7x-15=16.5

We move all terms to the left:

7x-15-(16.5)=0

We add all the numbers together, and all the variables

7x-31.5=0

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

7x=31.5

x=31.5/7

x=4+2.33333333333/4.66666666667

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