14-3(a+5)=-20

Solution for 14-3(a+5)=-20 equation:

Simplifying
14 + -3(a + 5) = -20

Reorder the terms:
14 + -3(5 + a) = -20
14 + (5 * -3 + a * -3) = -20
14 + (-15 + -3a) = -20

Combine like terms: 14 + -15 = -1
-1 + -3a = -20

Solving
-1 + -3a = -20

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + -3a = -20 + 1

Combine like terms: -1 + 1 = 0
0 + -3a = -20 + 1
-3a = -20 + 1

Combine like terms: -20 + 1 = -19
-3a = -19

Divide each side by '-3'.
a = 6.333333333

Simplifying
a = 6.333333333