Question

write equation if one-third number is increased by 7 the sum will be 21​

Answer 1

Answer:

let the no. be x

so,one third of that no.=1/3x

a/q

1/3x+7=21

1/3x=21-7

1/3x=14

x=14×3

x=42

Answer 2

Answer:

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Step-by-step explanation:

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