A. x-6=6
if u plug in 12, you get 12-6=6 which is true
all the other ones would be false if you plugged in 12
You would have to multiply to find X
Answer:17.91 calories per minute
Step-by-step explanation:
412 calories burned
23 minutes of riding
412/23 = 17.91 calories per minute
It might be no solution:
steps-
x=5-y
x+y=15
substitute the x(which is the top problem) into the second one.
(5-y)+y=15
cancel it out
(5-y)+y=15
-5. -5
a negative plus a positive is gonna equal 0
-y+y=15-5
0=10
that is no solution..
Answer:
9 and 6
Step-by-step explanation:
