Question

0=20+a5 please solve this equation.

Answer 1

$0 = 20 + 5a \\ \\ \implies \: - 20 = 5a \\ \\ \implies \: \frac{ - 20}{5} = a \\ \\ \star \: a = - 4$

Answer 2

Answer:

0 = 20 + 5a

0 - 20 = 5a

- 20 = 5a

$\frac{- 20}{5} = a$

a = - 4