3r+7=3r+15

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Solution for 3r+7=3r+15 equation: 


Simplifying
3r + 7 = 3r + 15

Reorder the terms:
7 + 3r = 3r + 15

Reorder the terms:
7 + 3r = 15 + 3r

Add '-3r' to each side of the equation.
7 + 3r + -3r = 15 + 3r + -3r

Combine like terms: 3r + -3r = 0
7 + 0 = 15 + 3r + -3r
7 = 15 + 3r + -3r

Combine like terms: 3r + -3r = 0
7 = 15 + 0
7 = 15

Solving
7 = 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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