3a+9=3a-7

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Solution for 3a+9=3a-7 equation:


Simplifying
3a + 9 = 3a + -7

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

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

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

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

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

Solving
9 = -7

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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