a-2a=(8a-8)-1

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Solution for a-2a=(8a-8)-1 equation:


Simplifying
a + -2a = (8a + -8) + -1

Combine like terms: a + -2a = -1a
-1a = (8a + -8) + -1

Reorder the terms:
-1a = (-8 + 8a) + -1

Remove parenthesis around (-8 + 8a)
-1a = -8 + 8a + -1

Reorder the terms:
-1a = -8 + -1 + 8a

Combine like terms: -8 + -1 = -9
-1a = -9 + 8a

Solving
-1a = -9 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-1a + -8a = -9 + 8a + -8a

Combine like terms: -1a + -8a = -9a
-9a = -9 + 8a + -8a

Combine like terms: 8a + -8a = 0
-9a = -9 + 0
-9a = -9

Divide each side by '-9'.
a = 1

Simplifying
a = 1

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