7x

=
21

x
=

1 answer

To solve the equation \( 7x = 21 \), you need to isolate \( x \). You can do this by dividing both sides of the equation by 7:

\[ x = \frac{21}{7} \]

Now, calculate the right side:

\[ x = 3 \]

So, the solution is \( x = 3 \).