Question

8. 6 + 5(a - 1) = 36​

Answer 1

Answer

5+1=(6)2⇒365+1=(6)2⇒36

∴6+1=(7)2⇒49

Answer 2

Answer:

$6 + (5a - 1) = 36 \\ 6 + 5a - 5 = 36 \\ 6 + 5a = 36 + 5 \\ 6 + 5a = 41 \\ 5a = 41 - 6 \\ 5a = 35 \\ \fbox \pink{a = 7}$