Solve the Equation $$7 ( x + 5 ) = 7 x - 70$$

Multiple Choice

Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all
real numbers.
- $$7 ( x + 5 ) = 7 x - 70$$

A) $\varnothing$
B) $\{ 70 \}$
C) $\{ x \mid x$ is a real number $\}$
D) $\{ 0 \}$