9.89-2.8x=4.5+0.4

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Solution for 9.89-2.8x=4.5+0.4 equation: 


Simplifying
9.89 + -2.8x = 4.5 + 0.4

Combine like terms: 4.5 + 0.4 = 4.9
9.89 + -2.8x = 4.9

Solving
9.89 + -2.8x = 4.9

Solving for variable 'x'.

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

Add '-9.89' to each side of the equation.
9.89 + -9.89 + -2.8x = 4.9 + -9.89

Combine like terms: 9.89 + -9.89 = 0.00
0.00 + -2.8x = 4.9 + -9.89
-2.8x = 4.9 + -9.89

Combine like terms: 4.9 + -9.89 = -4.99
-2.8x = -4.99

Divide each side by '-2.8'.
x = 1.782142857

Simplifying
x = 1.782142857

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