x+2x+[2(2x+10)+10]=180

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Solution for x+2x+[2(2x+10)+10]=180 equation:


Simplifying
x + 2x + [2(2x + 10) + 10] = 180

Reorder the terms:
x + 2x + [2(10 + 2x) + 10] = 180
x + 2x + [(10 * 2 + 2x * 2) + 10] = 180
x + 2x + [(20 + 4x) + 10] = 180

Reorder the terms:
x + 2x + [20 + 10 + 4x] = 180

Combine like terms: 20 + 10 = 30
x + 2x + [30 + 4x] = 180

Remove brackets around [30 + 4x]
x + 2x + 30 + 4x = 180

Reorder the terms:
30 + x + 2x + 4x = 180

Combine like terms: x + 2x = 3x
30 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
30 + 7x = 180

Solving
30 + 7x = 180

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 7x = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 7x = 180 + -30
7x = 180 + -30

Combine like terms: 180 + -30 = 150
7x = 150

Divide each side by '7'.
x = 21.42857143

Simplifying
x = 21.42857143

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