Question

Solve this system of equations.
x-y=2
2.5x + y =5

Answer 1

x=2, y=0. (2, 0).

Explanation:

x-y=2

2.5x+y=5

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x=y+2

2.5(y+2)+y=5

2.5y+5+y=5

3.5y=5-5

3.5y=0

y=0/3.5

y=0

x=0+2=2