7-2q=-1

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Solution for 7-2q=-1 equation: 



7-2q=-1

We move all terms to the left:

7-2q-(-1)=0

We add all the numbers together, and all the variables

-2q+8=0

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

-2q=-8

q=-8/-2

q=+4

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