How do you solve -2^3 = -8?

1 Answer
Jun 26, 2016

This is not an equation to be solved.

Explanation:

This is a statement rather than an equation to be solved, because there is no variable.

-8 can be written as -2^3

-2^3 = -2^3

However, if the question had read
Solve -2^x = 8

Use the fact shown above.

-2^x = -2^3
So x = 3