Question

a number when divided by 4 is reduced by 21 find the number​

Answer 1

Answer:

28

Step-by-step explanation:

$\frac{x}{4} = x-21\\x = 4(x-21)\\x = 4x - 84\\84 = 4x-x\\84 = 3x\\\frac{84}{3} = x\\28 = x$