Question

Solve the following equation by trial and error methods a) 7a-19=30​

Answer 1

Answer:

Here's your answer

$7a = 30 + 19 \\ \\ 7a = 49 \\ \\ a = \frac{49}{7} \\ \\ a = 7$

Answer 2

7a=19+30

7a=49

a=49/7

=7