105=(x+2)5*3

Solution for 105=(x+2)5*3 equation:

Simplifying
105 = (x + 2) * 5 * 3

Reorder the terms:
105 = (2 + x) * 5 * 3

Reorder the terms for easier multiplication:
105 = 5 * 3(2 + x)

Multiply 5 * 3
105 = 15(2 + x)
105 = (2 * 15 + x * 15)
105 = (30 + 15x)

Solving
105 = 30 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
105 + -15x = 30 + 15x + -15x

Combine like terms: 15x + -15x = 0
105 + -15x = 30 + 0
105 + -15x = 30

Add '-105' to each side of the equation.
105 + -105 + -15x = 30 + -105

Combine like terms: 105 + -105 = 0
0 + -15x = 30 + -105
-15x = 30 + -105

Combine like terms: 30 + -105 = -75
-15x = -75

Divide each side by '-15'.
x = 5

Simplifying
x = 5