0.5x-0.8(10-3x)=0.9(x-8)

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Solution for 0.5x-0.8(10-3x)=0.9(x-8) equation:


Simplifying
0.5x + -0.8(10 + -3x) = 0.9(x + -8)
0.5x + (10 * -0.8 + -3x * -0.8) = 0.9(x + -8)
0.5x + (-8 + 2.4x) = 0.9(x + -8)

Reorder the terms:
-8 + 0.5x + 2.4x = 0.9(x + -8)

Combine like terms: 0.5x + 2.4x = 2.9x
-8 + 2.9x = 0.9(x + -8)

Reorder the terms:
-8 + 2.9x = 0.9(-8 + x)
-8 + 2.9x = (-8 * 0.9 + x * 0.9)
-8 + 2.9x = (-7.2 + 0.9x)

Solving
-8 + 2.9x = -7.2 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
-8 + 2.9x + -0.9x = -7.2 + 0.9x + -0.9x

Combine like terms: 2.9x + -0.9x = 2x
-8 + 2x = -7.2 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
-8 + 2x = -7.2 + 0.0
-8 + 2x = -7.2

Add '8' to each side of the equation.
-8 + 8 + 2x = -7.2 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = -7.2 + 8
2x = -7.2 + 8

Combine like terms: -7.2 + 8 = 0.8
2x = 0.8

Divide each side by '2'.
x = 0.4

Simplifying
x = 0.4

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