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Popular >

7x-4x=21

Solution

7 x - 4 x = 21

Solution

x = 7

Solution steps

7 x - 4 x = 21

Add similar elements:

7 x - 4 x = 3 x

3 x = 21

Divide both sides by

3

x = 7

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simplify 6-1/6 simplify

6 - \frac{1}{6}

12 x^{2} + 17 x + 6 = 0

\frac{1}{x} \geq \frac{1}{x + 3}

Frequently Asked Questions (FAQ)

What is the answer to 7x-4x=21 ?
The answer to 7x-4x=21 is x=7
Solve for x: 7x-4x=21
The solution is x=7