melenadunlap02
melenadunlap02
29-01-2021
Mathematics
contestada
Y = - 3x 4x - 2y = -20
Solve for x
Respuesta :
rbc26
rbc26
29-01-2021
Answer:
x=-2
Step-by-step explanation:
y=-3x
4x-2y=-20
2y=4x+20
y=2x+10
subs y
2x+10=-3x
5x=-10
x=-2
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