45+(5x+15)+(3x-3)=180

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Solution for 45+(5x+15)+(3x-3)=180 equation: 


Simplifying
45 + (5x + 15) + (3x + -3) = 180

Reorder the terms:
45 + (15 + 5x) + (3x + -3) = 180

Remove parenthesis around (15 + 5x)
45 + 15 + 5x + (3x + -3) = 180

Reorder the terms:
45 + 15 + 5x + (-3 + 3x) = 180

Remove parenthesis around (-3 + 3x)
45 + 15 + 5x + -3 + 3x = 180

Reorder the terms:
45 + 15 + -3 + 5x + 3x = 180

Combine like terms: 45 + 15 = 60
60 + -3 + 5x + 3x = 180

Combine like terms: 60 + -3 = 57
57 + 5x + 3x = 180

Combine like terms: 5x + 3x = 8x
57 + 8x = 180

Solving
57 + 8x = 180

Solving for variable 'x'.

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

Add '-57' to each side of the equation.
57 + -57 + 8x = 180 + -57

Combine like terms: 57 + -57 = 0
0 + 8x = 180 + -57
8x = 180 + -57

Combine like terms: 180 + -57 = 123
8x = 123

Divide each side by '8'.
x = 15.375

Simplifying
x = 15.375

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