x-6+2x-5.5=(2x+7.5)2

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Solution for x-6+2x-5.5=(2x+7.5)2 equation:


Simplifying
x + -6 + 2x + -5.5 = (2x + 7.5) * 2

Reorder the terms:
-6 + -5.5 + x + 2x = (2x + 7.5) * 2

Combine like terms: -6 + -5.5 = -11.5
-11.5 + x + 2x = (2x + 7.5) * 2

Combine like terms: x + 2x = 3x
-11.5 + 3x = (2x + 7.5) * 2

Reorder the terms:
-11.5 + 3x = (7.5 + 2x) * 2

Reorder the terms for easier multiplication:
-11.5 + 3x = 2(7.5 + 2x)
-11.5 + 3x = (7.5 * 2 + 2x * 2)
-11.5 + 3x = (15 + 4x)

Solving
-11.5 + 3x = 15 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-11.5 + 3x + -4x = 15 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-11.5 + -1x = 15 + 4x + -4x

Combine like terms: 4x + -4x = 0
-11.5 + -1x = 15 + 0
-11.5 + -1x = 15

Add '11.5' to each side of the equation.
-11.5 + 11.5 + -1x = 15 + 11.5

Combine like terms: -11.5 + 11.5 = 0.0
0.0 + -1x = 15 + 11.5
-1x = 15 + 11.5

Combine like terms: 15 + 11.5 = 26.5
-1x = 26.5

Divide each side by '-1'.
x = -26.5

Simplifying
x = -26.5

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