2x = 5 + 3
2x = 8
x = 8/2
x=4
For this case we must find an expression equivalent to:

By definition of power properties we have to:

So, rewriting the expression we have:


By definition of multiplication of powers of the same base, we put the same base and add the exponents:

Answer:
Option B
Answer:
x = 18
Step-by-step explanation:
JM = LM
8x - 3 = 141
8x = 141 + 3
8x = 144
x = 144/8
x = 18
I think c would be the correct answer
Answer:
75 students out of 120
Step-by-step explanation:
75/120