-1=a+2

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Solution for -1=a+2 equation:


Simplifying
-1 = a + 2

Reorder the terms:
-1 = 2 + a

Solving
-1 = 2 + 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 = 2 + a + -1a

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

Add '1' to each side of the equation.
-1 + 1 + -1a = 2 + 1

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

Combine like terms: 2 + 1 = 3
-1a = 3

Divide each side by '-1'.
a = -3

Simplifying
a = -3

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