Answer:
Step-by-step explanation:
n=12
-2n=12*3
n=36/-2
n=-18
Answer:
a=3
Step-by-step explanation:
This should be very simple, just substitute xy and y for 5 and 7 respectively, so 5a-2*7=1, or 5a-14=1, or 5a=15, if we divide both sides by 5, we get a=3
C I think if it’s wrong I’m sorry
Answer:
step,by, step explanation