Answer:
15
Step-by-step explanation:
-4/3
2^(8x-8)=4^7x
2^8x-8=4^7x
2^8x-8=4^2×7x
8x-8=2×7x
8x-8=14x
-8=14x-8x
-8=6x
-8/6=x
-4/3=x
x=-4/3
j is the answer hope i got it in time
2x-2y
2 times x = 2x
2 times -y = -2y
