5x +2y = - 3
x - 5y =
- 3
Answers
Answered by
0
Answer:
x= 4/9 and y= 115/9
Step-by-step explanation:
multiply second equation by 5 then subtract it from first equation.
Answered by
2
5x+2y=-3 -1
x. -. 5y =-3 -2
multiple eq 1 by 1 and 2 by 5
5x+2y=-3 -3
5x-25y=-15 -4
Now subtracting eq 3 and 4
5x+2y=-3
5x-25y=-15
we get 27y = 12
y= 12/27
y= 4/9
put value in eq1
5x +2y=-3
5x+ 2×4/9 = -3
5x + 8/9=-3
5x= -3-8/9
5x = -27 -8/9
5x = -35/9
x= -35/9×5
x=-35/45
x= -7/9
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