25x-9-12x+4=25x-7-12x+4

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Solution for 25x-9-12x+4=25x-7-12x+4 equation: 


Simplifying
25x + -9 + -12x + 4 = 25x + -7 + -12x + 4

Reorder the terms:
-9 + 4 + 25x + -12x = 25x + -7 + -12x + 4

Combine like terms: -9 + 4 = -5
-5 + 25x + -12x = 25x + -7 + -12x + 4

Combine like terms: 25x + -12x = 13x
-5 + 13x = 25x + -7 + -12x + 4

Reorder the terms:
-5 + 13x = -7 + 4 + 25x + -12x

Combine like terms: -7 + 4 = -3
-5 + 13x = -3 + 25x + -12x

Combine like terms: 25x + -12x = 13x
-5 + 13x = -3 + 13x

Add '-13x' to each side of the equation.
-5 + 13x + -13x = -3 + 13x + -13x

Combine like terms: 13x + -13x = 0
-5 + 0 = -3 + 13x + -13x
-5 = -3 + 13x + -13x

Combine like terms: 13x + -13x = 0
-5 = -3 + 0
-5 = -3

Solving
-5 = -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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