solve earning subtraction method 10x+2y=4 15x-5y=-2
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Answer:
10x+2y=4
15x-5y=-2
5(10x+2y=4)
2(15x-5y=-2)
50x+10y=20
30x-10y=-4
------------------
80x. =16
---------------
16
x= ----
80
1
x= ---
5
1
10(---)+2y=4
5
10
--- +2y=4
5
2+2y=4
2y=4-2
2y=2
y=1.
x=1/5
y=1
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