56-x=5(x+4)

56-x=5(x+4)


56-X=5X+20
6X=56-20
6X=36
X=6



How to solve the equation 42 + 3x = 69?


3X = 69 - 42 =27
x = 27/3
X=9



Given the equation (1) 3x-1 = 2x + 1, (2) 3 / 2x-1 = x, (3) x + 1 / 3 = 2 / 3x-2, (4) 7 / 2 + 1 + 3x / 4 = 7-3x + 1 / 4, it is the equation to solve x = 2


First, second