Question

A number when multiplied by 3 increase by 20. Find the number

Answer 1

Let no be X
X*3=X+20
3X-X=20
2X=20
X=10

therefore the number is 10

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Answer 2

Answer:

Step-by-step explanation:

Let the no. Will be x

x*3=x+20

3x-x=20

2x=20

x=20/2

x=10