(5)^x=(2^3)^x-7
x=3x-21
-2x=-21
10.5
Answer:
Step-by-step explanation:
2x - 3 = - 21 Add 3
2x = -21 + 3 Combine the right
2x = -18 Divide by 2
x = - 18/2
x = -9
I've done this before try using the a squared plus b squared =c squared formula nvm I do t know what I'm talking about
Answer:- the equation have -2x common.
