kak bantu jawab pake cara

[ 3.x + -2.x. -4.x + 4.x]
[ 3.y+ -2.y. -4.y+ 4.y]
= [ x. 0]. = [2]
[Y. 0]. [0]
X=2. Y=0
X + 2 y = 2+2(0) = 2


C transpos =[ 7. 3]
[ 2. 1]
X + y-2=7
x+5-2=7
x=7-3=4
Y-4=1
y=1+4=5