Question

solve for 6 th class
set up an equation and solve
if i take three -fourth of a number and add 3 to it ,i get 21

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Answer 1

please refer to the image attached

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Answer 2

Answer:

24

Step-by-step explanation:

Let the no. Be x

Then,

3/4of x +3=21

(3x+12)/4 = 21

3x+21= 21*4 (by cross multiplication)

3x+21= 84

3x= 84-21

3x= 72

x= 72/3

x= 24