7+3d+-5=-1+2d+-12+d

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Solution for 7+3d+-5=-1+2d+-12+d equation: 


Simplifying
7 + 3d + -5 = -1 + 2d + -12 + d

Reorder the terms:
7 + -5 + 3d = -1 + 2d + -12 + d

Combine like terms: 7 + -5 = 2
2 + 3d = -1 + 2d + -12 + d

Reorder the terms:
2 + 3d = -1 + -12 + 2d + d

Combine like terms: -1 + -12 = -13
2 + 3d = -13 + 2d + d

Combine like terms: 2d + d = 3d
2 + 3d = -13 + 3d

Add '-3d' to each side of the equation.
2 + 3d + -3d = -13 + 3d + -3d

Combine like terms: 3d + -3d = 0
2 + 0 = -13 + 3d + -3d
2 = -13 + 3d + -3d

Combine like terms: 3d + -3d = 0
2 = -13 + 0
2 = -13

Solving
2 = -13

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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