3x+(x-1)+(x+6)=180

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Solution for 3x+(x-1)+(x+6)=180 equation:


Simplifying
3x + (x + -1) + (x + 6) = 180

Reorder the terms:
3x + (-1 + x) + (x + 6) = 180

Remove parenthesis around (-1 + x)
3x + -1 + x + (x + 6) = 180

Reorder the terms:
3x + -1 + x + (6 + x) = 180

Remove parenthesis around (6 + x)
3x + -1 + x + 6 + x = 180

Reorder the terms:
-1 + 6 + 3x + x + x = 180

Combine like terms: -1 + 6 = 5
5 + 3x + x + x = 180

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

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

Solving
5 + 5x = 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 + 5x = 180 + -5

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

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

Divide each side by '5'.
x = 35

Simplifying
x = 35

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