15a-3=-57

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Solution for 15a-3=-57 equation: 


Simplifying
15a + -3 = -57

Reorder the terms:
-3 + 15a = -57

Solving
-3 + 15a = -57

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 + 15a = -57 + 3

Combine like terms: -3 + 3 = 0
0 + 15a = -57 + 3
15a = -57 + 3

Combine like terms: -57 + 3 = -54
15a = -54

Divide each side by '15'.
a = -3.6

Simplifying
a = -3.6

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