find 'k'if x=2,y=1 is a solutions of 2x+5y=k . find 'y' if 'x'= -1
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k is equal to 9
and value of y is 11/5
and value of y is 11/5
Rounakyadav:
srry value of y us 11
is*
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In 2x + 5y = k
when , x = 2, y = 1 , K= ?
2(2) + 5(1) = K
K = 9
when, x= -1 , y= ? , K = 9
2(-1) + 5(y) = 9
5y = 9 + 2
y = 11/5
when , x = 2, y = 1 , K= ?
2(2) + 5(1) = K
K = 9
when, x= -1 , y= ? , K = 9
2(-1) + 5(y) = 9
5y = 9 + 2
y = 11/5
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