1x+3+4=1x-7+12

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Solution for 1x+3+4=1x-7+12 equation: 


Simplifying
1x + 3 + 4 = 1x + -7 + 12

Reorder the terms:
3 + 4 + 1x = 1x + -7 + 12

Combine like terms: 3 + 4 = 7
7 + 1x = 1x + -7 + 12

Reorder the terms:
7 + 1x = -7 + 12 + 1x

Combine like terms: -7 + 12 = 5
7 + 1x = 5 + 1x

Add '-1x' to each side of the equation.
7 + 1x + -1x = 5 + 1x + -1x

Combine like terms: 1x + -1x = 0
7 + 0 = 5 + 1x + -1x
7 = 5 + 1x + -1x

Combine like terms: 1x + -1x = 0
7 = 5 + 0
7 = 5

Solving
7 = 5

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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