Question

Three times a number exceeds by 4 equals 25 find the number

Answer 1

Answer:

x=7

Step-by-step explanation:

3x+4=25

3x=25-4

x=21÷3

x=7

Answer 2

Three times a number exceeds by 4 equals 25. Then the number is 7

Solution:

Let the required number be "a"

According to question ,  

Three times a number exceeds by 4 equals 25 which means,

(3 $\times$ a) + 4 = 25   --- eqn 1

3a + 4 = 25

3a = 25 – 4  

3a = 21

a = 21 ÷ 3 = 7

So, the unknown number is 7  

Verification:-

Substitute  a = 7 in eqn 1 to verify the answer

(3 $\times$ 7) + 4 = 21 + 4 = 25  

Hence verified

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