1-2a-2=8+1

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Solution for 1-2a-2=8+1 equation:


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

Reorder the terms:
1 + -2 + -2a = 8 + 1

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

Combine like terms: 8 + 1 = 9
-1 + -2a = 9

Solving
-1 + -2a = 9

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 + -2a = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -2a = 9 + 1
-2a = 9 + 1

Combine like terms: 9 + 1 = 10
-2a = 10

Divide each side by '-2'.
a = -5

Simplifying
a = -5

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