3x = 9, Solve for x

Solve 3x = 9

How to solve 3x = 9? Get the answer and stepwise instruction to solve linear equation in one variable 𝒙.

We have 3x = 9

Divide both sides by 3, which is the coefficent of x

Note: if a = b, then a ÷ c = b ÷ c

3x/3 = 9/3

x = 9/3

To simplify, divide both numerator and denominator by 3, which is the GCF of 9 and 3:

x = 3/1 or, x = 3