3(a-1)=3a+9

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Solution for 3(a-1)=3a+9 equation: 


Simplifying
3(a + -1) = 3a + 9

Reorder the terms:
3(-1 + a) = 3a + 9
(-1 * 3 + a * 3) = 3a + 9
(-3 + 3a) = 3a + 9

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

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

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

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

Solving
-3 = 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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