3x+(x+2)=180

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Solution for 3x+(x+2)=180 equation:


Simplifying
3x + (x + 2) = 180

Reorder the terms:
3x + (2 + x) = 180

Remove parenthesis around (2 + x)
3x + 2 + x = 180

Reorder the terms:
2 + 3x + x = 180

Combine like terms: 3x + x = 4x
2 + 4x = 180

Solving
2 + 4x = 180

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 4x = 180 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = 180 + -2
4x = 180 + -2

Combine like terms: 180 + -2 = 178
4x = 178

Divide each side by '4'.
x = 44.5

Simplifying
x = 44.5

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