x*3-7=8

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Solution for x*3-7=8 equation: 



x*3-7=8

We move all terms to the left:

x*3-7-(8)=0

We add all the numbers together, and all the variables

x*3-15=0

Wy multiply elements

3x-15=0

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

3x=15

x=15/3

x=5

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