28=8+0.4x

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Solution for 28=8+0.4x equation:


Simplifying
28 = 8 + 0.4x

Solving
28 = 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.
28 + -0.4x = 8 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
28 + -0.4x = 8 + 0.0
28 + -0.4x = 8

Add '-28' to each side of the equation.
28 + -28 + -0.4x = 8 + -28

Combine like terms: 28 + -28 = 0
0 + -0.4x = 8 + -28
-0.4x = 8 + -28

Combine like terms: 8 + -28 = -20
-0.4x = -20

Divide each side by '-0.4'.
x = 50

Simplifying
x = 50

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