15+X+3x-2=45

Solution for 15+X+3x-2=45 equation:

Simplifying
15 + X + 3x + -2 = 45

Reorder the terms:
15 + -2 + X + 3x = 45

Combine like terms: 15 + -2 = 13
13 + X + 3x = 45

Solving
13 + X + 3x = 45

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-13' to each side of the equation.
13 + X + -13 + 3x = 45 + -13

Reorder the terms:
13 + -13 + X + 3x = 45 + -13

Combine like terms: 13 + -13 = 0
0 + X + 3x = 45 + -13
X + 3x = 45 + -13

Combine like terms: 45 + -13 = 32
X + 3x = 32

Add '-3x' to each side of the equation.
X + 3x + -3x = 32 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 32 + -3x
X = 32 + -3x

Simplifying
X = 32 + -3x