Solve for y, d
y=-3
d=33
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y=\frac{-39}{13}
Consider the first equation. Divide both sides by 13.
y=-3
Divide -39 by 13 to get -3.
d=7+26
Consider the second equation. Add 26 to both sides.
d=33
Add 7 and 26 to get 33.
y=-3 d=33
The system is now solved.
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