x+(x+3)+(x-45)=150

Solution for x+(x+3)+(x-45)=150 equation:

Simplifying
x + (x + 3) + (x + -45) = 150

Reorder the terms:
x + (3 + x) + (x + -45) = 150

Remove parenthesis around (3 + x)
x + 3 + x + (x + -45) = 150

Reorder the terms:
x + 3 + x + (-45 + x) = 150

Remove parenthesis around (-45 + x)
x + 3 + x + -45 + x = 150

Reorder the terms:
3 + -45 + x + x + x = 150

Combine like terms: 3 + -45 = -42
-42 + x + x + x = 150

Combine like terms: x + x = 2x
-42 + 2x + x = 150

Combine like terms: 2x + x = 3x
-42 + 3x = 150

Solving
-42 + 3x = 150

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 3x = 150 + 42

Combine like terms: -42 + 42 = 0
0 + 3x = 150 + 42
3x = 150 + 42

Combine like terms: 150 + 42 = 192
3x = 192

Divide each side by '3'.
x = 64

Simplifying
x = 64