Solve for a, y
y=-1
a=2
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2+y=1
Consider the second equation. Insert the known values of variables into the equation.
y=1-2
Subtract 2 from both sides.
y=-1
Subtract 2 from 1 to get -1.
a=2 y=-1
The system is now solved.
Examples
Quadratic equation
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Matrix
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Limits
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