1 answer:
Answer:
(x, y) =(2,2)
Step-by-step explanation:
5x+3y=16 /*5
3x-5y=-4 /*3
25x+15y=80 (1)
9x-15y=-12 (2)
(1)+(2): 34x=68
9x-15y=-12
x=68/34
9x-15y=-12
x=2
9*2-15y=-12
x=2
18-15y=-12
x=2
-15y=-12-18
x=2
-15y=-30
x=2
y=-30/(-15)
x=2
y=2
(x,y)=(2,2)
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