Question

BRAINLIEST+ 5 STARS + POINTS+ THANKS

Answer 1

HEY MATE!! HERE'S YOUR ANSWER...
Given,
X=3
Y=9
A.4x +6y=64
(4*3)+(9*6)
12+54
=66
RHS is not equal to LHS
$therefore \: not \: this \: one$
B.2x+y=36
(2*3)+9
6+9
=15
RHS is not equal to LHS
$therefore \: not \: this \: one$
C.4x+y=21
(4*3)+9
12+9
=21
RHS=LHS
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$hope \: this \: answer \: helped \: you$