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

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


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

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

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

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

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

Combine like terms: 5x + 3x = 8x
20 + 8x = 180

Solving
20 + 8x = 180

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 8x = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 8x = 180 + -20
8x = 180 + -20

Combine like terms: 180 + -20 = 160
8x = 160

Divide each side by '8'.
x = 20

Simplifying
x = 20

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