15a-54=-a

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Solution for 15a-54=-a equation:


Simplifying
15a + -54 = -1a

Reorder the terms:
-54 + 15a = -1a

Solving
-54 + 15a = -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-54 + 15a + a = -1a + a

Combine like terms: 15a + a = 16a
-54 + 16a = -1a + a

Combine like terms: -1a + a = 0
-54 + 16a = 0

Add '54' to each side of the equation.
-54 + 54 + 16a = 0 + 54

Combine like terms: -54 + 54 = 0
0 + 16a = 0 + 54
16a = 0 + 54

Combine like terms: 0 + 54 = 54
16a = 54

Divide each side by '16'.
a = 3.375

Simplifying
a = 3.375

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