Answer:
1/8
Step-by-step explanation:
Answer:
21$
Step-by-step explanation:
42÷6=7
7×3=21
Answer:
I think C
Step-by-step explanation:
Answer:
Solution: x = 6
Step-by-step explanation:
Given equation is:

In order to solve the equation both sides will be squared

Verifying the solution

Answer:
x=9
Step-by-step explanation:
Using elimination method.
Add equation 1 to equation 2
x + y = 11
x - y = 7
---------------
2x + 0 = 18
Divide both sides by 2
2x = 18
---- ----
2 2
x = 9