To find a, you need to isolate/get the variable "a" by itself in the equation:
Multiply the inverse of 1/2, which is 2, to get rid of the fraction

a - 7 = 66 Add 7 on both sides to get "a" by itself
a - 7 + 7 = 66 + 7
a = 73
Hola !
The answer is = (-4) as in the attachment provided
Hope it helped you
Answer:
the answer to this problem is
9 - 21v^2 + 21v^2 - 49v^4
9 - 49v^4
Step-by-step explanation:
C because if you plug one into the other the answer comes out as x and that is how you know it is an inverse
Answer:
its c i tink but im not completly sure
Step-by-step explanation: