0.9x-0.3(10-3x)=-0.1(x-8)

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Solution for 0.9x-0.3(10-3x)=-0.1(x-8) equation:


Simplifying
0.9x + -0.3(10 + -3x) = -0.1(x + -8)
0.9x + (10 * -0.3 + -3x * -0.3) = -0.1(x + -8)
0.9x + (-3 + 0.9x) = -0.1(x + -8)

Reorder the terms:
-3 + 0.9x + 0.9x = -0.1(x + -8)

Combine like terms: 0.9x + 0.9x = 1.8x
-3 + 1.8x = -0.1(x + -8)

Reorder the terms:
-3 + 1.8x = -0.1(-8 + x)
-3 + 1.8x = (-8 * -0.1 + x * -0.1)
-3 + 1.8x = (0.8 + -0.1x)

Solving
-3 + 1.8x = 0.8 + -0.1x

Solving for variable 'x'.

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

Add '0.1x' to each side of the equation.
-3 + 1.8x + 0.1x = 0.8 + -0.1x + 0.1x

Combine like terms: 1.8x + 0.1x = 1.9x
-3 + 1.9x = 0.8 + -0.1x + 0.1x

Combine like terms: -0.1x + 0.1x = 0.0
-3 + 1.9x = 0.8 + 0.0
-3 + 1.9x = 0.8

Add '3' to each side of the equation.
-3 + 3 + 1.9x = 0.8 + 3

Combine like terms: -3 + 3 = 0
0 + 1.9x = 0.8 + 3
1.9x = 0.8 + 3

Combine like terms: 0.8 + 3 = 3.8
1.9x = 3.8

Divide each side by '1.9'.
x = 2

Simplifying
x = 2

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