3-7x=-102

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Solution for 3-7x=-102 equation: 



3-7x=-102

We move all terms to the left:

3-7x-(-102)=0

We add all the numbers together, and all the variables

-7x+105=0

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

-7x=-105

x=-105/-7

x=+15

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