20x-9-18x+2=18x-9-16x+12

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Solution for 20x-9-18x+2=18x-9-16x+12 equation: 


Simplifying
20x + -9 + -18x + 2 = 18x + -9 + -16x + 12

Reorder the terms:
-9 + 2 + 20x + -18x = 18x + -9 + -16x + 12

Combine like terms: -9 + 2 = -7
-7 + 20x + -18x = 18x + -9 + -16x + 12

Combine like terms: 20x + -18x = 2x
-7 + 2x = 18x + -9 + -16x + 12

Reorder the terms:
-7 + 2x = -9 + 12 + 18x + -16x

Combine like terms: -9 + 12 = 3
-7 + 2x = 3 + 18x + -16x

Combine like terms: 18x + -16x = 2x
-7 + 2x = 3 + 2x

Add '-2x' to each side of the equation.
-7 + 2x + -2x = 3 + 2x + -2x

Combine like terms: 2x + -2x = 0
-7 + 0 = 3 + 2x + -2x
-7 = 3 + 2x + -2x

Combine like terms: 2x + -2x = 0
-7 = 3 + 0
-7 = 3

Solving
-7 = 3

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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