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

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


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

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

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

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

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

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

Combine like terms: 15 + -3 = 12
12 + 5x + 3x = 180

Combine like terms: 5x + 3x = 8x
12 + 8x = 180

Solving
12 + 8x = 180

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 8x = 180 + -12

Combine like terms: 12 + -12 = 0
0 + 8x = 180 + -12
8x = 180 + -12

Combine like terms: 180 + -12 = 168
8x = 168

Divide each side by '8'.
x = 21

Simplifying
x = 21

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