7x-x=-3+15

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Solution for 7x-x=-3+15 equation:



7x-x=-3+15
We move all terms to the left:
7x-x-(-3+15)=0
We add all the numbers together, and all the variables
7x-x-12=0
We add all the numbers together, and all the variables
6x-12=0
We move all terms containing x to the left, all other terms to the right
6x=12
x=12/6
x=2

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