Answered

Solve the following equation system by graphing

X-Y=4

X+Y=2

What is the solution?

Verified Answer :

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)

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