-0.9x+4.31=-0.4x+8.81

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Solution for -0.9x+4.31=-0.4x+8.81 equation: 


Simplifying
-0.9x + 4.31 = -0.4x + 8.81

Reorder the terms:
4.31 + -0.9x = -0.4x + 8.81

Reorder the terms:
4.31 + -0.9x = 8.81 + -0.4x

Solving
4.31 + -0.9x = 8.81 + -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.
4.31 + -0.9x + 0.4x = 8.81 + -0.4x + 0.4x

Combine like terms: -0.9x + 0.4x = -0.5x
4.31 + -0.5x = 8.81 + -0.4x + 0.4x

Combine like terms: -0.4x + 0.4x = 0.0
4.31 + -0.5x = 8.81 + 0.0
4.31 + -0.5x = 8.81

Add '-4.31' to each side of the equation.
4.31 + -4.31 + -0.5x = 8.81 + -4.31

Combine like terms: 4.31 + -4.31 = 0.00
0.00 + -0.5x = 8.81 + -4.31
-0.5x = 8.81 + -4.31

Combine like terms: 8.81 + -4.31 = 4.5
-0.5x = 4.5

Divide each side by '-0.5'.
x = -9

Simplifying
x = -9

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