Answer: x=4
Step-by-step explanation:
5x=15+5
15+5=20
5x=20
divide 5 on both sides
20/5=4
x=4
Answer:42/3
=3/42
Step-by-step explanation:
Answer:
3 + x
Step-by-step explanation:
Sum means to add, so you would just add 3 and x (since they haven't given an actual number and only a variable).
Answer:
The answer is -2, -17
Step-by-step explanation:
You write a system of equations
Then you solve:
-2, -17