4+x=(20+x)0.4

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Solution for 4+x=(20+x)0.4 equation:


Simplifying
4 + x = (20 + x) * 0.4

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

Solving
4 + x = 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 + x + -0.4x = 8 + 0.4x + -0.4x

Combine like terms: x + -0.4x = 0.6x
4 + 0.6x = 8 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
4 + 0.6x = 8 + 0.0
4 + 0.6x = 8

Add '-4' to each side of the equation.
4 + -4 + 0.6x = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 0.6x = 8 + -4
0.6x = 8 + -4

Combine like terms: 8 + -4 = 4
0.6x = 4

Divide each side by '0.6'.
x = 6.666666667

Simplifying
x = 6.666666667

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