4x-2x+6xy+21x+(-9)-9=

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Solution for 4x-2x+6xy+21x+(-9)-9= equation:


Simplifying
4x + -2x + 6xy + 21x + (-9) + -9 = 0
4x + -2x + 6xy + 21x + -9 + -9 = 0

Reorder the terms:
-9 + -9 + 4x + -2x + 21x + 6xy = 0

Combine like terms: -9 + -9 = -18
-18 + 4x + -2x + 21x + 6xy = 0

Combine like terms: 4x + -2x = 2x
-18 + 2x + 21x + 6xy = 0

Combine like terms: 2x + 21x = 23x
-18 + 23x + 6xy = 0

Solving
-18 + 23x + 6xy = 0

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 23x + 18 + 6xy = 0 + 18

Reorder the terms:
-18 + 18 + 23x + 6xy = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 23x + 6xy = 0 + 18
23x + 6xy = 0 + 18

Combine like terms: 0 + 18 = 18
23x + 6xy = 18

Reorder the terms:
-18 + 23x + 6xy = 18 + -18

Combine like terms: 18 + -18 = 0
-18 + 23x + 6xy = 0

The solution to this equation could not be determined.

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