(3x+20)+(5x-4)=180

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Solution for (3x+20)+(5x-4)=180 equation:


Simplifying
(3x + 20) + (5x + -4) = 180

Reorder the terms:
(20 + 3x) + (5x + -4) = 180

Remove parenthesis around (20 + 3x)
20 + 3x + (5x + -4) = 180

Reorder the terms:
20 + 3x + (-4 + 5x) = 180

Remove parenthesis around (-4 + 5x)
20 + 3x + -4 + 5x = 180

Reorder the terms:
20 + -4 + 3x + 5x = 180

Combine like terms: 20 + -4 = 16
16 + 3x + 5x = 180

Combine like terms: 3x + 5x = 8x
16 + 8x = 180

Solving
16 + 8x = 180

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 8x = 180 + -16

Combine like terms: 16 + -16 = 0
0 + 8x = 180 + -16
8x = 180 + -16

Combine like terms: 180 + -16 = 164
8x = 164

Divide each side by '8'.
x = 20.5

Simplifying
x = 20.5

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