Tolong di jwb dgn cepat yaa

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Tolong di jwb dgn cepat yaa

Tolong di jwb dgn cepat yaa

# Eliminasi y
5x+3y = -14 (dikali 2)
3x-2y = -16 (dikali 3)

10x+6y = -28
9x-6y = -48
_____________ +
19x = -76
x = -76/19
x = -4

# Substitusi y
3x-2y = -16
3(-4) – 2y = -16
-12-2y = -16
-2y = -16+12
-2y = -4
y = -4/-2
y = 2

#2x-y
= 2 . -4 – 2
= -8 -2
= -10