3a-45=0

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Solution for 3a-45=0 equation: 


Simplifying
3a + -45 = 0

Reorder the terms:
-45 + 3a = 0

Solving
-45 + 3a = 0

Solving for variable 'a'.

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

Add '45' to each side of the equation.
-45 + 45 + 3a = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 3a = 0 + 45
3a = 0 + 45

Combine like terms: 0 + 45 = 45
3a = 45

Divide each side by '3'.
a = 15

Simplifying
a = 15

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