7x+9+8x-7=3x+12x-1

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Solution for 7x+9+8x-7=3x+12x-1 equation: 


Simplifying
7x + 9 + 8x + -7 = 3x + 12x + -1

Reorder the terms:
9 + -7 + 7x + 8x = 3x + 12x + -1

Combine like terms: 9 + -7 = 2
2 + 7x + 8x = 3x + 12x + -1

Combine like terms: 7x + 8x = 15x
2 + 15x = 3x + 12x + -1

Reorder the terms:
2 + 15x = -1 + 3x + 12x

Combine like terms: 3x + 12x = 15x
2 + 15x = -1 + 15x

Add '-15x' to each side of the equation.
2 + 15x + -15x = -1 + 15x + -15x

Combine like terms: 15x + -15x = 0
2 + 0 = -1 + 15x + -15x
2 = -1 + 15x + -15x

Combine like terms: 15x + -15x = 0
2 = -1 + 0
2 = -1

Solving
2 = -1

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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