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

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


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

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

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

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

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

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

Solving
13 + 3x = -12 + 1.8x

Solving for variable 'x'.

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

Add '-1.8x' to each side of the equation.
13 + 3x + -1.8x = -12 + 1.8x + -1.8x

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

Combine like terms: 1.8x + -1.8x = 0.0
13 + 1.2x = -12 + 0.0
13 + 1.2x = -12

Add '-13' to each side of the equation.
13 + -13 + 1.2x = -12 + -13

Combine like terms: 13 + -13 = 0
0 + 1.2x = -12 + -13
1.2x = -12 + -13

Combine like terms: -12 + -13 = -25
1.2x = -25

Divide each side by '1.2'.
x = -20.83333333

Simplifying
x = -20.83333333

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