.4(x-3)=.8(.3-x)

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Solution for .4(x-3)=.8(.3-x) equation:


Simplifying
0.4(x + -3) = 0.8(0.3 + -1x)

Reorder the terms:
0.4(-3 + x) = 0.8(0.3 + -1x)
(-3 * 0.4 + x * 0.4) = 0.8(0.3 + -1x)
(-1.2 + 0.4x) = 0.8(0.3 + -1x)
-1.2 + 0.4x = (0.3 * 0.8 + -1x * 0.8)
-1.2 + 0.4x = (0.24 + -0.8x)

Solving
-1.2 + 0.4x = 0.24 + -0.8x

Solving for variable 'x'.

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

Add '0.8x' to each side of the equation.
-1.2 + 0.4x + 0.8x = 0.24 + -0.8x + 0.8x

Combine like terms: 0.4x + 0.8x = 1.2x
-1.2 + 1.2x = 0.24 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
-1.2 + 1.2x = 0.24 + 0.0
-1.2 + 1.2x = 0.24

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 1.2x = 0.24 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 1.2x = 0.24 + 1.2
1.2x = 0.24 + 1.2

Combine like terms: 0.24 + 1.2 = 1.44
1.2x = 1.44

Divide each side by '1.2'.
x = 1.2

Simplifying
x = 1.2

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