Question

(b) 5a - 12 = 18
by balancing method



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Answer 1

Explanation:

pls refer the above pic.

hope this helps you..

Answer 2

Answer:

$5a \: - 12 = 18$

$5a = 18 + 12$

$5a = 30$

$a = \dfrac{\not{30}}{ \not{5}}$

$a = 6$