Step-by-step explanation:
Answer:
79
b because I did the math and got that.
They are variables. They stand in for different numbers in a problem. for example) a=12
I don't get the question very well
5x
+112 +11v
-7(-10-6)+1v+10v =
(-10-6) = -16
-7(-16) +1v +10v =
+112 +1v +10v =