Question

when 8 is substract from 5 times a certain number the result is 4 more than 4 times the number find the number
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Answer 1

➤ Answer

• The number = 12.

➤ Given

• When 8 is substract from 5 times a certain number the result is 4 more than 4 times the number.

➤ To Find

• The number.

➤ Step By Step Explanation

Given that when 8 is substract from 5 times a certain number the result is 4 more than 4 times the number.

We need to find the number.

So let's do it !!

According to the question ⤵

Equation

➠ 5x - 8 = 4 + 4x

Solution of the equation

➠ 5x - 8 = 4 + 4x

➠ 5x - 4x = 4 + 8

➠ x = 12

Therefore the number = 12.

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➤ Proof

By substituting the value of x.

L.H.S. ⤵

➠ 5 × 12 - 8

➠ 60 - 8

➠ 52

R.H.S. ⤵

➠ 4 + 4 × 12

➠ 4 + 48

➠ 52

Therefore, L.H.S. = R.H.S.

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