Solutions by everydaycalculation.com
How to solve 3x = 12? Get the answer and stepwise instruction to solve linear equation in one variable 𝒙.
We have 3x = 12
Divide both sides by 3, which is the coefficent of x
Note: if a = b, then a ÷ c = b ÷ c
3x3 = 123
x = 123
To simplify, divide both numerator and denominator by 3, which is the GCF of 12 and 3:
x = 41 or, x = 4
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