Answer:
a = -2
Step-by-step explanation:
7a + 10 = 2a
subtract 7a from each side
7a-7a+10 = 2a-7a
10 = -5a
divide by -5
10/-5 = -5a/-5
-2 = a
check
7 (-2) +10 = 2(-2)
-14 + 10 = -4
-4 = -4
The correct answer: x=-7/2
Hope this help!!!
She would have to study about 48 hours to get a score of 97.
Hopefully that helped! :)
Answer: i need more information 8 apples cost $4, 4???????
Step-by-step explanation: