can u solve. x + y = 20 and x - 2y = 50
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The value of x=30 and that of y= -10
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Mark it as brainliest if it helps :-)
Answered by
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x+y=20......(1)
x-2y=50.....(2)
Eqn. (1)*2
=>2x+2y=40
=>x-2y=50
By elimination method,
-2y & +2y get cancelled
So,3x=90
x=30
x+y=20
30+y=20
y=-10
Mark it as brainliest if it helps
: )
x-2y=50.....(2)
Eqn. (1)*2
=>2x+2y=40
=>x-2y=50
By elimination method,
-2y & +2y get cancelled
So,3x=90
x=30
x+y=20
30+y=20
y=-10
Mark it as brainliest if it helps
: )
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