Answer:

Step-by-step explanation:
First, you add 66 to both sides so then the equation you are trying to solve will be: 
Finally, you simplify and get: 
Hope this helped!
Answer:
oh thats easy
Step-by-step explanation:
it really w
asy
Answer:
18
Step-by-step explanation:
When x equals -3, then the first equation is simplified to 9 + 6 + 3 = 18; and the second equation confirms the same answer by showing -6 x -3 = 18
1/2 because 25 ÷ 25 = 1 and 50 ÷ 25 = 2