-(x+0.2)=0.3(4-x)

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Solution for -(x+0.2)=0.3(4-x) equation: 


Simplifying
-1(x + 0.2) = 0.3(4 + -1x)

Reorder the terms:
-1(0.2 + x) = 0.3(4 + -1x)
(0.2 * -1 + x * -1) = 0.3(4 + -1x)
(-0.2 + -1x) = 0.3(4 + -1x)
-0.2 + -1x = (4 * 0.3 + -1x * 0.3)
-0.2 + -1x = (1.2 + -0.3x)

Solving
-0.2 + -1x = 1.2 + -0.3x

Solving for variable 'x'.

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

Add '0.3x' to each side of the equation.
-0.2 + -1x + 0.3x = 1.2 + -0.3x + 0.3x

Combine like terms: -1x + 0.3x = -0.7x
-0.2 + -0.7x = 1.2 + -0.3x + 0.3x

Combine like terms: -0.3x + 0.3x = 0.0
-0.2 + -0.7x = 1.2 + 0.0
-0.2 + -0.7x = 1.2

Add '0.2' to each side of the equation.
-0.2 + 0.2 + -0.7x = 1.2 + 0.2

Combine like terms: -0.2 + 0.2 = 0.0
0.0 + -0.7x = 1.2 + 0.2
-0.7x = 1.2 + 0.2

Combine like terms: 1.2 + 0.2 = 1.4
-0.7x = 1.4

Divide each side by '-0.7'.
x = -2

Simplifying
x = -2

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