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Popular >

3+4x+5x=21

Solution

3 + 4 x + 5 x = 21

Solution

x = 2

Solution steps

3 + 4 x + 5 x = 21

Add similar elements:

4 x + 5 x = 9 x

3 + 9 x = 21

Move

3

to the right side

9 x = 18

Divide both sides by

9

x = 2

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Frequently Asked Questions (FAQ)

What is the answer to 3+4x+5x=21 ?
The answer to 3+4x+5x=21 is x=2
Solve for x: 3+4x+5x=21
The solution is x=2