3a+(4a+56)=

Solution for 3a+(4a+56)= equation:

Simplifying
3a + (4a + 56) = 0

Reorder the terms:
3a + (56 + 4a) = 0

Remove parenthesis around (56 + 4a)
3a + 56 + 4a = 0

Reorder the terms:
56 + 3a + 4a = 0

Combine like terms: 3a + 4a = 7a
56 + 7a = 0

Solving
56 + 7a = 0

Solving for variable 'a'.

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

Add '-56' to each side of the equation.
56 + -56 + 7a = 0 + -56

Combine like terms: 56 + -56 = 0
0 + 7a = 0 + -56
7a = 0 + -56

Combine like terms: 0 + -56 = -56
7a = -56

Divide each side by '7'.
a = -8

Simplifying
a = -8