Asked by Christina
how do you solve a linear system.
7. x-y=8
x+y=-2
7. x-y=8
x+y=-2
Answers
Answered by
PsyDAG
One way is to add the two equations.
2x = 6
x = 3
Insert that value into one of the equations.
y = -5
Check by inserting both values into the other equation.
2x = 6
x = 3
Insert that value into one of the equations.
y = -5
Check by inserting both values into the other equation.
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