2.5x+15+0.5(x-4)=1.2x-2(0.9x-6)

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Solution for 2.5x+15+0.5(x-4)=1.2x-2(0.9x-6) equation:


Simplifying
2.5x + 15 + 0.5(x + -4) = 1.2x + -2(0.9x + -6)

Reorder the terms:
2.5x + 15 + 0.5(-4 + x) = 1.2x + -2(0.9x + -6)
2.5x + 15 + (-4 * 0.5 + x * 0.5) = 1.2x + -2(0.9x + -6)
2.5x + 15 + (-2 + 0.5x) = 1.2x + -2(0.9x + -6)

Reorder the terms:
15 + -2 + 2.5x + 0.5x = 1.2x + -2(0.9x + -6)

Combine like terms: 15 + -2 = 13
13 + 2.5x + 0.5x = 1.2x + -2(0.9x + -6)

Combine like terms: 2.5x + 0.5x = 3x
13 + 3x = 1.2x + -2(0.9x + -6)

Reorder the terms:
13 + 3x = 1.2x + -2(-6 + 0.9x)
13 + 3x = 1.2x + (-6 * -2 + 0.9x * -2)
13 + 3x = 1.2x + (12 + -1.8x)

Reorder the terms:
13 + 3x = 12 + 1.2x + -1.8x

Combine like terms: 1.2x + -1.8x = -0.6x
13 + 3x = 12 + -0.6x

Solving
13 + 3x = 12 + -0.6x

Solving for variable 'x'.

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

Add '0.6x' to each side of the equation.
13 + 3x + 0.6x = 12 + -0.6x + 0.6x

Combine like terms: 3x + 0.6x = 3.6x
13 + 3.6x = 12 + -0.6x + 0.6x

Combine like terms: -0.6x + 0.6x = 0.0
13 + 3.6x = 12 + 0.0
13 + 3.6x = 12

Add '-13' to each side of the equation.
13 + -13 + 3.6x = 12 + -13

Combine like terms: 13 + -13 = 0
0 + 3.6x = 12 + -13
3.6x = 12 + -13

Combine like terms: 12 + -13 = -1
3.6x = -1

Divide each side by '3.6'.
x = -0.2777777778

Simplifying
x = -0.2777777778

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