Question

Find the number which when multiplied by 7 increased 78.​

Answer 1

X= 13

Step-by-step explanation:

Solution:

Let us assume the number as X.

Then X * 7 = X + 78

7X = X + 78

7X - X = 78

6X = 78

X = 78/6 = 13.

Ans: 13.

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