3x+15-7x=-7*

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



3x+15-7x=-7*

We move all terms to the left:

3x+15-7x-(-7*)=0

We add all the numbers together, and all the variables

3x-7x+15-0=0

We add all the numbers together, and all the variables

-4x+15=0

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

-4x=-15

x=-15/-4

x=3+3/4

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