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

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


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

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

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

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

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

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

Combine like terms: 5 + 20 = 25
25 + 3x + x = 180

Combine like terms: 3x + x = 4x
25 + 4x = 180

Solving
25 + 4x = 180

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 4x = 180 + -25

Combine like terms: 25 + -25 = 0
0 + 4x = 180 + -25
4x = 180 + -25

Combine like terms: 180 + -25 = 155
4x = 155

Divide each side by '4'.
x = 38.75

Simplifying
x = 38.75

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