3 years ago

Solve the following equation system by graphing X-Y=4 X+Y=2 What is the solution?

1 answer:

4 0

<span>X-Y=4,
X+Y=2
-------------add
2x = 6
x = 3

X - Y =4
3 - Y = 4
Y = 3 - 4
Y = -1

solution (3 , -1)</span>

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