Asked by Harley
A piont on a graph that works for x-y=8and x+y=-2
Answers
Answered by
Lina
This is a system of equations.
x-y=8
x+y=-2
The easiest way to solve would be the elimination method because it is already set up; if you add the equations, the y cancels out and gives you:
2x=6
Further,
x=3
Given x you can find y in any equation above; x-y=8
Substitute the 3: 3-y=8
y=-5
x-y=8
x+y=-2
The easiest way to solve would be the elimination method because it is already set up; if you add the equations, the y cancels out and gives you:
2x=6
Further,
x=3
Given x you can find y in any equation above; x-y=8
Substitute the 3: 3-y=8
y=-5
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