-2-3a=-23

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Solution for -2-3a=-23 equation: 


Simplifying
-2 + -3a = -23

Solving
-2 + -3a = -23

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 + -3a = -23 + 2

Combine like terms: -2 + 2 = 0
0 + -3a = -23 + 2
-3a = -23 + 2

Combine like terms: -23 + 2 = -21
-3a = -21

Divide each side by '-3'.
a = 7

Simplifying
a = 7

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