Question

ifwe add 7 to twice a number we get 40 find the number
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Answer 1

Answer:

let the number be x

7+2x=40

Answer 2

Answer:

let the number be → x

→ 2x + 7 =49

→ 2x = 49 - 7

→ x = 42 / 2

→ x = 21

$\huge \green{ \boxed{ \sf \therefore x = 21}}$