5a-3=18

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Solution for 5a-3=18 equation: 


Simplifying
5a + -3 = 18

Reorder the terms:
-3 + 5a = 18

Solving
-3 + 5a = 18

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 + 5a = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 5a = 18 + 3
5a = 18 + 3

Combine like terms: 18 + 3 = 21
5a = 21

Divide each side by '5'.
a = 4.2

Simplifying
a = 4.2

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