-12-a-7a=-5a-6a

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Solution for -12-a-7a=-5a-6a equation:


Simplifying
-12 + -1a + -7a = -5a + -6a

Combine like terms: -1a + -7a = -8a
-12 + -8a = -5a + -6a

Combine like terms: -5a + -6a = -11a
-12 + -8a = -11a

Solving
-12 + -8a = -11a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '11a' to each side of the equation.
-12 + -8a + 11a = -11a + 11a

Combine like terms: -8a + 11a = 3a
-12 + 3a = -11a + 11a

Combine like terms: -11a + 11a = 0
-12 + 3a = 0

Add '12' to each side of the equation.
-12 + 12 + 3a = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 3a = 0 + 12
3a = 0 + 12

Combine like terms: 0 + 12 = 12
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

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