7a=7a-4

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Solution for 7a=7a-4 equation: 


Simplifying
7a = 7a + -4

Reorder the terms:
7a = -4 + 7a

Add '-7a' to each side of the equation.
7a + -7a = -4 + 7a + -7a

Combine like terms: 7a + -7a = 0
0 = -4 + 7a + -7a

Combine like terms: 7a + -7a = 0
0 = -4 + 0
0 = -4

Solving
0 = -4

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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