2x-y=4 and x-y=-1 by elimination method
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Answered by
3
Answer:
but
Step-by-step explanation:
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Answered by
7
Step-by-step explanation:
First we have to put in proper way
2x - y = 4 (1)
x - y = 1 (2)
adding equations 1 and 2
2x - y = 4
x - y = 1
+ + _
3x = 3
x = 3 /3
x = 1
putting in equation 1
2x - y = 4
2 × 1 - y = 4
2 - y = 4
y = 4 - 2
y = 2
THEREFORE x = 1 , y = 2
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