9r+16-9r-12=

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Solution for 9r+16-9r-12= equation:


Simplifying
9r + 16 + -9r + -12 = 0

Reorder the terms:
16 + -12 + 9r + -9r = 0

Combine like terms: 16 + -12 = 4
4 + 9r + -9r = 0

Combine like terms: 9r + -9r = 0
4 + 0 = 0
4 = 0

Solving
4 = 0

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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