9.89-2.8x=4.5x+.4

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Solution for 9.89-2.8x=4.5x+.4 equation: 


Simplifying
9.89 + -2.8x = 4.5x + 0.4

Reorder the terms:
9.89 + -2.8x = 0.4 + 4.5x

Solving
9.89 + -2.8x = 0.4 + 4.5x

Solving for variable 'x'.

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

Add '-4.5x' to each side of the equation.
9.89 + -2.8x + -4.5x = 0.4 + 4.5x + -4.5x

Combine like terms: -2.8x + -4.5x = -7.3x
9.89 + -7.3x = 0.4 + 4.5x + -4.5x

Combine like terms: 4.5x + -4.5x = 0.0
9.89 + -7.3x = 0.4 + 0.0
9.89 + -7.3x = 0.4

Add '-9.89' to each side of the equation.
9.89 + -9.89 + -7.3x = 0.4 + -9.89

Combine like terms: 9.89 + -9.89 = 0.00
0.00 + -7.3x = 0.4 + -9.89
-7.3x = 0.4 + -9.89

Combine like terms: 0.4 + -9.89 = -9.49
-7.3x = -9.49

Divide each side by '-7.3'.
x = 1.3

Simplifying
x = 1.3

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