Answer:
y=4, x=8
Step-by-step explanation:
system:
x+y = 12, x=2y
convert to 1 variable, simplify:
2y+y=12
3y=12
y=4
x=2y=4*2=8
Answer:
12
Step-by-step explanation: 60
I need -487 time to regroup.
i did 426 - 913 = -487
Answer:
for the 1st year she earned 160 so for 3 years she will earn $480
Answer:4=12
Step-by-step explanation:
