13+4z=15+4z

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Solution for 13+4z=15+4z equation: 


Simplifying
13 + 4z = 15 + 4z

Add '-4z' to each side of the equation.
13 + 4z + -4z = 15 + 4z + -4z

Combine like terms: 4z + -4z = 0
13 + 0 = 15 + 4z + -4z
13 = 15 + 4z + -4z

Combine like terms: 4z + -4z = 0
13 = 15 + 0
13 = 15

Solving
13 = 15

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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