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

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


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

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

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

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

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

Combine like terms: 1.2 + -12 = -10.8
15.5 + 0.5x = -10.8 + 1.8x

Solving
15.5 + 0.5x = -10.8 + 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.
15.5 + 0.5x + -1.8x = -10.8 + 1.8x + -1.8x

Combine like terms: 0.5x + -1.8x = -1.3x
15.5 + -1.3x = -10.8 + 1.8x + -1.8x

Combine like terms: 1.8x + -1.8x = 0.0
15.5 + -1.3x = -10.8 + 0.0
15.5 + -1.3x = -10.8

Add '-15.5' to each side of the equation.
15.5 + -15.5 + -1.3x = -10.8 + -15.5

Combine like terms: 15.5 + -15.5 = 0.0
0.0 + -1.3x = -10.8 + -15.5
-1.3x = -10.8 + -15.5

Combine like terms: -10.8 + -15.5 = -26.3
-1.3x = -26.3

Divide each side by '-1.3'.
x = 20.23076923

Simplifying
x = 20.23076923

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