Question

If we add 7 to twice a number we get 49 then the number is

Answer 1

let the number be x
then 2x+7=49
2x=42
x=21

Answer 2

heya!!!
let the no. be x
2x+7=49
2x=49-7
2x =42
x=42÷2
x=21
therefore,the required no. is 21 (ans)
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