Solve for x, y
x=8
y=13
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x=12-4
Consider the first equation. Subtract 4 from both sides.
x=8
Subtract 4 from 12 to get 8.
y+8=21
Consider the second equation. Insert the known values of variables into the equation.
y=21-8
Subtract 8 from both sides.
y=13
Subtract 8 from 21 to get 13.
x=8 y=13
The system is now solved.
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