-(6+a)=19+4a

Solution for -(6+a)=19+4a equation:

Simplifying
-1(6 + a) = 19 + 4a
(6 * -1 + a * -1) = 19 + 4a
(-6 + -1a) = 19 + 4a

Solving
-6 + -1a = 19 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-6 + -1a + -4a = 19 + 4a + -4a

Combine like terms: -1a + -4a = -5a
-6 + -5a = 19 + 4a + -4a

Combine like terms: 4a + -4a = 0
-6 + -5a = 19 + 0
-6 + -5a = 19

Add '6' to each side of the equation.
-6 + 6 + -5a = 19 + 6

Combine like terms: -6 + 6 = 0
0 + -5a = 19 + 6
-5a = 19 + 6

Combine like terms: 19 + 6 = 25
-5a = 25

Divide each side by '-5'.
a = -5

Simplifying
a = -5