8+0.4x=0.9x

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Solution for 8+0.4x=0.9x equation:


Simplifying
8 + 0.4x = 0.9x

Solving
8 + 0.4x = 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
8 + 0.4x + -0.9x = 0.9x + -0.9x

Combine like terms: 0.4x + -0.9x = -0.5x
8 + -0.5x = 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
8 + -0.5x = 0.0

Add '-8' to each side of the equation.
8 + -8 + -0.5x = 0.0 + -8

Combine like terms: 8 + -8 = 0
0 + -0.5x = 0.0 + -8
-0.5x = 0.0 + -8

Combine like terms: 0.0 + -8 = -8
-0.5x = -8

Divide each side by '-0.5'.
x = 16

Simplifying
x = 16

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