Answer: (-11)
Step-by-step explanation: 7+7x=-70
7-7+7x=-70-7
7x=-77
-77/7=-11
Answer:10 weeks
Step-by-step explanation:
900 is goal
900/90 is 10 or 10 weeks
Answer: You need to combine like terms the answer is 2y+2x
Answer:b
10 to 20 is 10 and 80 to 60 is -20 so it’s -20/10 which is -2