-q+3q=-7+q

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Solution for -q+3q=-7+q equation: 



-q+3q=-7+q

We move all terms to the left:

-q+3q-(-7+q)=0

We add all the numbers together, and all the variables

-q+3q-(q-7)=0

We add all the numbers together, and all the variables

2q-(q-7)=0

We get rid of parentheses

2q-q+7=0

We add all the numbers together, and all the variables

q+7=0

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

q=-7

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