-2a-6a+1=12

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Solution for -2a-6a+1=12 equation:


Simplifying
-2a + -6a + 1 = 12

Reorder the terms:
1 + -2a + -6a = 12

Combine like terms: -2a + -6a = -8a
1 + -8a = 12

Solving
1 + -8a = 12

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + -8a = 12 + -1

Combine like terms: 1 + -1 = 0
0 + -8a = 12 + -1
-8a = 12 + -1

Combine like terms: 12 + -1 = 11
-8a = 11

Divide each side by '-8'.
a = -1.375

Simplifying
a = -1.375

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