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Solve for u, v
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2u-v+6=u-v
Consider the first equation. Multiply both sides of the equation by 2.
2u-v+6-u=-v
Subtract u from both sides.
u-v+6=-v
Combine 2u and -u to get u.
u-v+6+v=0
Add v to both sides.
u-v+v=-6
Subtract 6 from both sides. Anything subtracted from zero gives its negation.
u=-6
Combine -v and v to get 0.
\frac{-6+3v}{2}=2-\frac{-6-v}{2}
Consider the second equation. Insert the known values of variables into the equation.
-6+3v=4-\left(-6-v\right)
Multiply both sides of the equation by 2.
-6+3v=4+6+v
To find the opposite of -6-v, find the opposite of each term.
-6+3v=10+v
Add 4 and 6 to get 10.
-6+3v-v=10
Subtract v from both sides.
-6+2v=10
Combine 3v and -v to get 2v.
2v=10+6
Add 6 to both sides.
2v=16
Add 10 and 6 to get 16.
v=\frac{16}{2}
Divide both sides by 2.
v=8
Divide 16 by 2 to get 8.
u=-6 v=8
The system is now solved.