3(x+1.28)+x=2x

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Solution for 3(x+1.28)+x=2x equation:


Simplifying
3(x + 1.28) + x = 2x

Reorder the terms:
3(1.28 + x) + x = 2x
(1.28 * 3 + x * 3) + x = 2x
(3.84 + 3x) + x = 2x

Combine like terms: 3x + x = 4x
3.84 + 4x = 2x

Solving
3.84 + 4x = 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
3.84 + 4x + -2x = 2x + -2x

Combine like terms: 4x + -2x = 2x
3.84 + 2x = 2x + -2x

Combine like terms: 2x + -2x = 0
3.84 + 2x = 0

Add '-3.84' to each side of the equation.
3.84 + -3.84 + 2x = 0 + -3.84

Combine like terms: 3.84 + -3.84 = 0.00
0.00 + 2x = 0 + -3.84
2x = 0 + -3.84

Combine like terms: 0 + -3.84 = -3.84
2x = -3.84

Divide each side by '2'.
x = -1.92

Simplifying
x = -1.92

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