solve the following system of equation by substitution method :5X + 2 Y = 8, 3X-5 Y =11
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Step-by-step explanation:
5X+2Y=8
3X-5Y=11
(5X+2Y=8)3
(3X-5Y=11)5
15X+6Y=24
15X-25Y=55
- + -
0+ 31Y= -31
Y=31/-31. = Y =-1.
5X+2(-1)=8
5X-2 =8
5X=10. SO, X = 10/5. = 2
Y=(-1) AND X=2
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