Question

$(z + 3) \: \div 8 = 3$
in systematic metods
$13(x - 5) = 104$
in systematic mehods

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Answer 1

(z+3)÷8 =3

or, z+3 = 8×3 = 24

or, z = 24–3 = 21 (Ans)

13(x–5) =104

or, x–5 = 104÷13 = 8

or, x = 8+5 =13 (ans)