1.8xy-2.8=2.5xy+2.1

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Solution for 1.8xy-2.8=2.5xy+2.1 equation: 


Simplifying
1.8xy + -2.8 = 2.5xy + 2.1

Reorder the terms:
-2.8 + 1.8xy = 2.5xy + 2.1

Reorder the terms:
-2.8 + 1.8xy = 2.1 + 2.5xy

Solving
-2.8 + 1.8xy = 2.1 + 2.5xy

Solving for variable 'x'.

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

Add '-2.5xy' to each side of the equation.
-2.8 + 1.8xy + -2.5xy = 2.1 + 2.5xy + -2.5xy

Combine like terms: 1.8xy + -2.5xy = -0.7xy
-2.8 + -0.7xy = 2.1 + 2.5xy + -2.5xy

Combine like terms: 2.5xy + -2.5xy = 0.0
-2.8 + -0.7xy = 2.1 + 0.0
-2.8 + -0.7xy = 2.1

Add '2.8' to each side of the equation.
-2.8 + 2.8 + -0.7xy = 2.1 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + -0.7xy = 2.1 + 2.8
-0.7xy = 2.1 + 2.8

Combine like terms: 2.1 + 2.8 = 4.9
-0.7xy = 4.9

Divide each side by '-0.7y'.
x = -7y-1

Simplifying
x = -7y-1

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