Solve for x
x=6
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\frac{-105}{-7}=3+2x
Divide both sides by -7.
15=3+2x
Divide -105 by -7 to get 15.
3+2x=15
Swap sides so that all variable terms are on the left hand side.
2x=15-3
Subtract 3 from both sides.
2x=12
Subtract 3 from 15 to get 12.
x=\frac{12}{2}
Divide both sides by 2.
x=6
Divide 12 by 2 to get 6.
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