What is the answer to 21n+9n=-23-157 ?

The answer to 21n+9n=-23-157 is n=-6

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

21n+9n=-23-157

21 n + 9 n = - 23 - 157

n = - 6

Solution steps

21 n + 9 n = - 23 - 157

Add similar elements:

21 n + 9 n = 30 n

30 n = - 23 - 157

Subtract the numbers:

- 23 - 157 = - 180

30 n = - 180

Divide both sides by

30

n = - 6

3 < x \leq 5

4 m - 15 p - 5 m p + 12

\frac{1}{2} b + \frac{9}{4} = \frac{7}{4}

9 x - 11 > 6 x - 9

- (3 x + 2) (x + 2) = 0