3×+3y=15
-3×-y=-11
2y=4
y=4÷2
Y=2
×+(2)=5
×=5-2
×=3
(3)+(2)=5
3+2=5
5=5
Answer: x = -8, y = 13
Explanation:
x+y=5
3x+y=-11
now subtract the two equations
x-3x+y-y=5-(-11)
-2x=16, x = -8
now substitute
-8 + y = 5, y = 13
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