Question

3x-4y-15=0 ; y+x+2=0 silver the following simultaneous equations by eliminating method . ​

Answer 1

Answer:

(3x-4y-15=0)×1

(x+y= -2)×3

3x-4y=15

3x+3y= -8

(-) (-) (+)

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y= 23

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x+y= -2

x+23= -2

x= -2-23

x= -25

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verification

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x+y= -2

-25+23= -2

-2= -2

•°•x= -25

y=23

HOPE IT HELPS YOU.