Answer:
x = 12
Step-by-step explanation:
im 100% sure i hope this helps :)
We are given

Firstly, we simplify left side
Left side is

we will make all x terms together
and y terms together



we can multiply left side by using exponent rule



now, we can set them equal

Since, both sides have x,y and 8
and both are equal
so, their exponent must be equal
so, exponent of y must also be equal
we get

................Answer
For 7 to 9, substitute each answer in to the two equations.
Answer:
(2,3)
Step-by-step explanation:
Answer for 1 is 3x - 4y = 6