solve 3x-9=0 — step-by-step solution

Let's solve in

ℝ

3 x - 9 = 0

ⓘ We add

9

to both sides

3 x = 9

ⓘ Both sides are divided by

3

x = \frac{9}{3}

ⓘ We simplify the fraction by dividing the numerator and the denominator by

3

, their greatest common divisor:

\frac{9}{3}

3

▶Solution found:

x = 3