3-2a-1=-6

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Solution for 3-2a-1=-6 equation:


Simplifying
3 + -2a + -1 = -6

Reorder the terms:
3 + -1 + -2a = -6

Combine like terms: 3 + -1 = 2
2 + -2a = -6

Solving
2 + -2a = -6

Solving for variable 'a'.

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

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

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

Combine like terms: -6 + -2 = -8
-2a = -8

Divide each side by '-2'.
a = 4

Simplifying
a = 4

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