3x+(x+20)+28=180

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Solution for 3x+(x+20)+28=180 equation:


Simplifying
3x + (x + 20) + 28 = 180

Reorder the terms:
3x + (20 + x) + 28 = 180

Remove parenthesis around (20 + x)
3x + 20 + x + 28 = 180

Reorder the terms:
20 + 28 + 3x + x = 180

Combine like terms: 20 + 28 = 48
48 + 3x + x = 180

Combine like terms: 3x + x = 4x
48 + 4x = 180

Solving
48 + 4x = 180

Solving for variable 'x'.

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

Add '-48' to each side of the equation.
48 + -48 + 4x = 180 + -48

Combine like terms: 48 + -48 = 0
0 + 4x = 180 + -48
4x = 180 + -48

Combine like terms: 180 + -48 = 132
4x = 132

Divide each side by '4'.
x = 33

Simplifying
x = 33

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