-4a+15=-23

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Solution for -4a+15=-23 equation: 


Simplifying
-4a + 15 = -23

Reorder the terms:
15 + -4a = -23

Solving
15 + -4a = -23

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -4a = -23 + -15

Combine like terms: 15 + -15 = 0
0 + -4a = -23 + -15
-4a = -23 + -15

Combine like terms: -23 + -15 = -38
-4a = -38

Divide each side by '-4'.
a = 9.5

Simplifying
a = 9.5

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