[3r+(-3r)]+9+7=

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Solution for [3r+(-3r)]+9+7= equation: 


Simplifying
[3r + (-3r)] + 9 + 7 = 0

Combine like terms: 3r + (-3r) = 0
[0] + 9 + 7 = 0
0 + 9 + 7 = 0

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

Combine like terms: 9 + 7 = 16
16 = 0

Solving
16 = 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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