-2a+3=-12

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Solution for -2a+3=-12 equation: 


Simplifying
-2a + 3 = -12

Reorder the terms:
3 + -2a = -12

Solving
3 + -2a = -12

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + -2a = -12 + -3

Combine like terms: 3 + -3 = 0
0 + -2a = -12 + -3
-2a = -12 + -3

Combine like terms: -12 + -3 = -15
-2a = -15

Divide each side by '-2'.
a = 7.5

Simplifying
a = 7.5

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