-a+9-6a=12-7a-3

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Solution for -a+9-6a=12-7a-3 equation:


Simplifying
-1a + 9 + -6a = 12 + -7a + -3

Reorder the terms:
9 + -1a + -6a = 12 + -7a + -3

Combine like terms: -1a + -6a = -7a
9 + -7a = 12 + -7a + -3

Reorder the terms:
9 + -7a = 12 + -3 + -7a

Combine like terms: 12 + -3 = 9
9 + -7a = 9 + -7a

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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