Question

if y=7 what will 21-3y be

Answer 1

Given that y=7

$21 - 3y$

$21 - 3 \times 7$

$21 - 21$

$= 0$

Answer 2

Answer:

$\underline{\Huge{\texttt{0}}}$

Step-by-step explanation:

Given:

y = 7

21 - 3y = ?

Solution:

Substituting the value of y in the above equation:

$21 - 3y = 21 - 3 \times 7\\\implies 21 - 21 = \bold{0}$

$\therefore \text{ The answer to your question will be = 0}$