2 answers:
Answer:
x=2;y=12
Step-by-step explanation:
2x+3y=40.....(1)
-2x+2y=20.....(2)
now,
(1)+(2)=>
5y=60
=>y=12
(1)=>
2x=40-3y
=>2x=40-36
=>x=2
Solve the following system of equations:
2x + 3y = 40
-2x + 2y = 20
We can add these equations to get a new equation. Then we can solve for y:
0 + 5y = 60
5y = 60
y = 12
2x + 3y = 40, plug in y = 12 and solve for x:
2x + 36 = 40
2x = 4
x = 2
Choice A
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