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Popular >

3x=21

Solution

3 x = 21

Solution

x = 7

Solution steps

3 x = 21

Divide both sides by

3

x = 7

Popular Examples

simplify-1/(1/2)simplify

- \frac{1}{\frac{1}{2}}

|(3x-2)/(2x+1)|<= 1

\frac{3 x - 2}{2 x + 1} \leq 1

simplify \sqrt[3]{-375}simplify

0.4x+1.4-0.7x=10.4

0.4 x + 1.4 - 0.7 x = 10.4

simplify pi/4*2 simplify

\frac{π}{4} \cdot 2

Frequently Asked Questions (FAQ)

What is the answer to 3x=21 ?
The answer to 3x=21 is x=7
Solve for x: 3x=21
The solution is x=7