7x-2x=75

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Solution for 7x-2x=75 equation: 



7x-2x=75

We move all terms to the left:

7x-2x-(75)=0

We add all the numbers together, and all the variables

5x-75=0

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

5x=75

x=75/5

x=15

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