Question

3(n-5)=-21 solve the equation in two methods​

Answer 1

Answer:

this is ur ans

Step-by-step explanation:

3(n-5)=-21

3n-15=-21

3n=-21+15

3n=-6

n=-6/3=-2/1

Answer 2

ANSWER ☆

$\\ \\ first \: way \\ \\ = > 3(n - 5) = 21 \\ \\ = > 3n - 15 = 21 \\ \\ = > 3n = 21 + 15 \\ \\ = > 3n = 36 \\ \\ = > n = 12$

$second \: way \\ \\ = > 3(n - 5) = 21 \\ \\ n - 5 = \frac{21}{3} \\ \\ = > n - 5 = 7 \\ \\ = > n = 7 + 5 \\ \\ = > n = 12$

ADDITIONAL INFORMATION ☆

• WHAT IS AN EQUATION?

equation is simply a statement in math in which two things on equal. There are two expressions, one on each side of an equals sign. For example: X = 7. In this case, another way to write the equation would be 7 = 7.