What is the answer to (3x+15)+(4x-9)=90 ?

The answer to (3x+15)+(4x-9)=90 is x=12

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(3x+15)+(4x-9)=90

(3 x + 15) + (4 x - 9) = 90

x = 12

Solution steps

(3 x + 15) + (4 x - 9) = 90

Remove parentheses:

(a) = a

3 x + 15 + 4 x - 9 = 90

Group like terms

3 x + 4 x + 15 - 9 = 90

Add similar elements:

3 x + 4 x = 7 x

7 x + 15 - 9 = 90

Add/Subtract the numbers:

15 - 9 = 6

7 x + 6 = 90

Move

6

to the right side

7 x = 84

Divide both sides by

7

x = 12

- 2.1 (7.9 y + 12) = - 16.43 y - 22.96

\frac{2 x}{5} + 1 - x = 7

f + 10 = - 10

2 x - 4 + 4 x - 1 = 8 x - 43

8 = 4 (r + 4)

What is the answer to (3x+15)+(4x-9)=90 ?
The answer to (3x+15)+(4x-9)=90 is x=12
Solve for x: (3x+15)+(4x-9)=90
The solution is x=12