Question

1. Each equation is followed by the values of the variable. Decide whether these
values are the solutions of that equation.
(1) 9m = 81, m = 9 (2) 2a + 4 = 0, a = - 2

Answer 1

Answer:

(1) x − 4 = 3, x =−1, 7,−7 (2) 9m = 81, m = 3, 9, −3 (3) 2a + 4 = 0, a = 2, −2, 1