6=-2a-1

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Solution for 6=-2a-1 equation:


Simplifying
6 = -2a + -1

Reorder the terms:
6 = -1 + -2a

Solving
6 = -1 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
6 + 2a = -1 + -2a + 2a

Combine like terms: -2a + 2a = 0
6 + 2a = -1 + 0
6 + 2a = -1

Add '-6' to each side of the equation.
6 + -6 + 2a = -1 + -6

Combine like terms: 6 + -6 = 0
0 + 2a = -1 + -6
2a = -1 + -6

Combine like terms: -1 + -6 = -7
2a = -7

Divide each side by '2'.
a = -3.5

Simplifying
a = -3.5

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