7xy+21=19xy

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Solution for 7xy+21=19xy equation:


Simplifying
7xy + 21 = 19xy

Reorder the terms:
21 + 7xy = 19xy

Solving
21 + 7xy = 19xy

Solving for variable 'x'.

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

Add '-19xy' to each side of the equation.
21 + 7xy + -19xy = 19xy + -19xy

Combine like terms: 7xy + -19xy = -12xy
21 + -12xy = 19xy + -19xy

Combine like terms: 19xy + -19xy = 0
21 + -12xy = 0

Add '-21' to each side of the equation.
21 + -21 + -12xy = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -12xy = 0 + -21
-12xy = 0 + -21

Combine like terms: 0 + -21 = -21
-12xy = -21

Divide each side by '-12y'.
x = 1.75y-1

Simplifying
x = 1.75y-1

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