2.5+15+0.5(x-4)=1.2x+2(.9x-6)

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Solution for 2.5+15+0.5(x-4)=1.2x+2(.9x-6) equation:


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

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

Combine like terms: 2.5 + 15 = 17.5
17.5 + -2 + 0.5x = 1.2x + 2(0.9x + -6)

Combine like terms: 17.5 + -2 = 15.5
15.5 + 0.5x = 1.2x + 2(0.9x + -6)

Reorder the terms:
15.5 + 0.5x = 1.2x + 2(-6 + 0.9x)
15.5 + 0.5x = 1.2x + (-6 * 2 + 0.9x * 2)
15.5 + 0.5x = 1.2x + (-12 + 1.8x)

Reorder the terms:
15.5 + 0.5x = -12 + 1.2x + 1.8x

Combine like terms: 1.2x + 1.8x = 3x
15.5 + 0.5x = -12 + 3x

Solving
15.5 + 0.5x = -12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
15.5 + 0.5x + -3x = -12 + 3x + -3x

Combine like terms: 0.5x + -3x = -2.5x
15.5 + -2.5x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
15.5 + -2.5x = -12 + 0
15.5 + -2.5x = -12

Add '-15.5' to each side of the equation.
15.5 + -15.5 + -2.5x = -12 + -15.5

Combine like terms: 15.5 + -15.5 = 0.0
0.0 + -2.5x = -12 + -15.5
-2.5x = -12 + -15.5

Combine like terms: -12 + -15.5 = -27.5
-2.5x = -27.5

Divide each side by '-2.5'.
x = 11

Simplifying
x = 11

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