liyahparker22 liyahparker22

02-11-2016
Mathematics

contestada

Solve this system of equations.

x + y = -3

x - y = 1

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GraceTheFace GraceTheFace

02-11-2016

a. (-1,-2)

Because:
x + y = -3
-1 + (-2) = -3
-3 = -3

x - y = 1
-1 - (-2) = 1
-1 + 2 = 1
1 = 1

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Аноним Аноним

02-11-2016

the correct answer is A.

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