(3x-20)+(x+25)=180

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Solution for (3x-20)+(x+25)=180 equation:


Simplifying
(3x + -20) + (x + 25) = 180

Reorder the terms:
(-20 + 3x) + (x + 25) = 180

Remove parenthesis around (-20 + 3x)
-20 + 3x + (x + 25) = 180

Reorder the terms:
-20 + 3x + (25 + x) = 180

Remove parenthesis around (25 + x)
-20 + 3x + 25 + x = 180

Reorder the terms:
-20 + 25 + 3x + x = 180

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

Combine like terms: 3x + x = 4x
5 + 4x = 180

Solving
5 + 4x = 180

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 4x = 180 + -5

Combine like terms: 5 + -5 = 0
0 + 4x = 180 + -5
4x = 180 + -5

Combine like terms: 180 + -5 = 175
4x = 175

Divide each side by '4'.
x = 43.75

Simplifying
x = 43.75

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