-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 = -7
-1a = -7

Divide each side by '-1'.
a = 7

Simplifying
a = 7

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