When solving the problem 7^x+2=7^3x-8, your friend does the following:
7(x)+2=7(3x)−8
7x+2=21x−8
10=14x
x=5/7
Was this correct?
(1 point)
Responses
When the bases are the same, then we can set the exponents equal to each other and solve that equation.
When the bases are the same, then we can set the exponents equal to each other and solve that equation.
Yes, this is correct. No error was made.
Yes, this is correct. No error was made.
The 7 needs to be distributed across all terms when solving.
The 7 needs to be distributed across all terms when solving.
Both sides should be divided by 7 instead of multiplied by 7.
The correct response is:
Yes, this is correct. No error was made.