Math, asked by ruchirak2006, 2 months ago

x -2y = -18 ; 2x - y = 9

Answers

Answered by Mansisareen1112

1

Answer:

x-2y=-18

x= -18+2y

write value of x in 2nd equation

2x-y=9

2(-18+2y)-y=9

-36+4y-y=9

3y=9+36=45

y= 45/3=15

value of y is 15

x=-18+2y

x=-18+ 30

x=12

Step-by-step explanation:

Answered by hp5052752

0

Answer:

X = 12

Step-by-step explanation:

x-2y=-18

x= -18+2y

write value of x in 2nd equation

2x-y=9

2(-18+2y)-y=9

-36+4y-y=9

3y=9+36=45

y= 45/3=15

value of y is 15

x=-18+2y

x=-18+ 30

x=12

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