Solve × -2y = 3,3×+4y =19 by method of reduction?
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3
Answer:
Step-by-step explanation:
x+2y=19
3x+4y=10
step1
2x+4y=38
-(3x+4y=10)
x=-28
step 2
if x=-28
-28+2y=19
2y=19+28
y=47/2
(x,y)=(28,47/2)
Answered by
0
Answer:
Step-by-step explanation:
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