solve the equation 4*x-12=0
We solve in ℝ: 4x -12 = 0
ⓘ We add 12 to both sides
4x = 12
ⓘ Divide both sides by 4
x = 124
ⓘ We simplify the fraction by dividing the numerator and the denominator by 4, their greatest common divisor: 124 = 3
▶Solution found: x = 3