Solve the system of equations.
-9y+4x-20=0
-7y+16x-80=0
X=
Y=
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Answer:
x=5,y=0
Step-by-step explanation:
4x-9y=20.........(1)
16x-7y=80..........(2)
multiply eq (1)by 4
16x-36y=80...........(3)
substracting eq(2)from(3)
16x-7y=80
-
16x-36y=80
=
0- 29 y=0
y=0
put in eq (1)
-y(0)+4x=20
4x=20
x=5, y=0
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