Math, asked by dmanojan63311, 7 months ago

11x + 15y = -23 and 7x - 2y = 20 solve for X &y

Answers

Answered by mathaddicted23
0

Answer:

11x+15y =-23 (a)

7x-2y = 20 (b)

equation (a) multiply by 2 and equation (b) multiply by 15

22x+30y = -46

105x - 30y = 300

127x = 254

x = 254/127

x= 2

putting the value of x in equation 2

14- 2y = 20

-2y = -6

y = 3

so x,y = 2,3

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