-1=a+8

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Solution for -1=a+8 equation:


Simplifying
-1 = a + 8

Reorder the terms:
-1 = 8 + a

Solving
-1 = 8 + a

Solving for variable 'a'.

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

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

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

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

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

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

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

Simplifying
a = -9

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