-1=8a+7

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Solution for -1=8a+7 equation:


Simplifying
-1 = 8a + 7

Reorder the terms:
-1 = 7 + 8a

Solving
-1 = 7 + 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.
-1 + -8a = 7 + 8a + -8a

Combine like terms: 8a + -8a = 0
-1 + -8a = 7 + 0
-1 + -8a = 7

Add '1' to each side of the equation.
-1 + 1 + -8a = 7 + 1

Combine like terms: -1 + 1 = 0
0 + -8a = 7 + 1
-8a = 7 + 1

Combine like terms: 7 + 1 = 8
-8a = 8

Divide each side by '-8'.
a = -1

Simplifying
a = -1

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