3b-7=3b-9

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Solution for 3b-7=3b-9 equation: 


Simplifying
3b + -7 = 3b + -9

Reorder the terms:
-7 + 3b = 3b + -9

Reorder the terms:
-7 + 3b = -9 + 3b

Add '-3b' to each side of the equation.
-7 + 3b + -3b = -9 + 3b + -3b

Combine like terms: 3b + -3b = 0
-7 + 0 = -9 + 3b + -3b
-7 = -9 + 3b + -3b

Combine like terms: 3b + -3b = 0
-7 = -9 + 0
-7 = -9

Solving
-7 = -9

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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