Answer:
12
Step-by-step explanation:
21=31
31=7+2-3+0=12
This is correct because linear equations mean add subtract divide and multiply instead of finding roots and squares
Answer:
A is the one with variables.
Answer:
Yes
Step-by-step explanation:
3:2 = 5 people
3:1 = 4 people
5+4=9 people
Yes as long as you keep the sign in front of it
A) 14
b) 16
c)-8
d) -37
e) 15