.5x-4=.4x+5

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Solution for .5x-4=.4x+5 equation:


Simplifying
0.5x + -4 = 0.4x + 5

Reorder the terms:
-4 + 0.5x = 0.4x + 5

Reorder the terms:
-4 + 0.5x = 5 + 0.4x

Solving
-4 + 0.5x = 5 + 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 + 0.5x + -0.4x = 5 + 0.4x + -0.4x

Combine like terms: 0.5x + -0.4x = 0.1x
-4 + 0.1x = 5 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-4 + 0.1x = 5 + 0.0
-4 + 0.1x = 5

Add '4' to each side of the equation.
-4 + 4 + 0.1x = 5 + 4

Combine like terms: -4 + 4 = 0
0 + 0.1x = 5 + 4
0.1x = 5 + 4

Combine like terms: 5 + 4 = 9
0.1x = 9

Divide each side by '0.1'.
x = 90

Simplifying
x = 90

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