20*0.2-x=(20+x)0.4

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Solution for 20*0.2-x=(20+x)0.4 equation:


Simplifying
20 * 0.2 + -1x = (20 + x) * 0.4

Multiply 20 * 0.2
4 + -1x = (20 + x) * 0.4

Reorder the terms for easier multiplication:
4 + -1x = 0.4(20 + x)
4 + -1x = (20 * 0.4 + x * 0.4)
4 + -1x = (8 + 0.4x)

Solving
4 + -1x = 8 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
4 + -1x + -0.4x = 8 + 0.4x + -0.4x

Combine like terms: -1x + -0.4x = -1.4x
4 + -1.4x = 8 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
4 + -1.4x = 8 + 0.0
4 + -1.4x = 8

Add '-4' to each side of the equation.
4 + -4 + -1.4x = 8 + -4

Combine like terms: 4 + -4 = 0
0 + -1.4x = 8 + -4
-1.4x = 8 + -4

Combine like terms: 8 + -4 = 4
-1.4x = 4

Divide each side by '-1.4'.
x = -2.857142857

Simplifying
x = -2.857142857

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