5x-4y=-5 and 2x-y=-5
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Answer:
Ans is x=-4 and y=-5
Step-by-step explanation:
5x-4y=-5
10x-8y=-10........(i)
And
2x-y=-5
10x-5y=-25........(ii)
Now doing elimination method
10x-8y=-10
10x-5y=-25
(-) (-). (-)
--------------------
- 3y=15
y=-5
Now 5x=-5+4(-5)
5x=-20
x=-4
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