3=20a

Solution for 3=20a equation:

Simplifying
3 = 20a

Solving
3 = 20a

Solving for variable 'a'.

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

Add '-20a' to each side of the equation.
3 + -20a = 20a + -20a

Combine like terms: 20a + -20a = 0
3 + -20a = 0

Add '-3' to each side of the equation.
3 + -3 + -20a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -20a = 0 + -3
-20a = 0 + -3

Combine like terms: 0 + -3 = -3
-20a = -3

Divide each side by '-20'.
a = 0.15

Simplifying
a = 0.15