7-9p=7-9p

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Solution for 7-9p=7-9p equation: 


Simplifying
7 + -9p = 7 + -9p

Add '-7' to each side of the equation.
7 + -7 + -9p = 7 + -7 + -9p

Combine like terms: 7 + -7 = 0
0 + -9p = 7 + -7 + -9p
-9p = 7 + -7 + -9p

Combine like terms: 7 + -7 = 0
-9p = 0 + -9p
-9p = -9p

Add '9p' to each side of the equation.
-9p + 9p = -9p + 9p

Combine like terms: -9p + 9p = 0
0 = -9p + 9p

Combine like terms: -9p + 9p = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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