Question

I think of a number multiply it by 4 and subtract 3 i get 11

Answer 1

3.5

Solution,

Let the number be X

`x * 4 - 3 = 11 \\ or \: 4x - 3 = 11 \\ or \: 4x = 11 + 3 \\ or \: 4x = 14 \\ or \: x = (14)/(4) \\ x = 3.5`

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Good luck on your assignment..

Answer 2

3.5

Explanation:

Let the number be x.

x × 4 - 3 = 11

4x - 3 = 11

Add 3 on both sides.

4x - 3 + 3 = 11 + 3

4x = 14

Divide both sides by 4.

4x/4 = 14/4

x = 14/4

x = 7/2