1a+8b+(3a-4b)=

Solution for 1a+8b+(3a-4b)= equation:

Simplifying
1a + 8b + (3a + -4b) = 0

Remove parenthesis around (3a + -4b)
1a + 8b + 3a + -4b = 0

Reorder the terms:
1a + 3a + 8b + -4b = 0

Combine like terms: 1a + 3a = 4a
4a + 8b + -4b = 0

Combine like terms: 8b + -4b = 4b
4a + 4b = 0

Solving
4a + 4b = 0

Solving for variable 'a'.

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

Add '-4b' to each side of the equation.
4a + 4b + -4b = 0 + -4b

Combine like terms: 4b + -4b = 0
4a + 0 = 0 + -4b
4a = 0 + -4b
Remove the zero:
4a = -4b

Divide each side by '4'.
a = -1b

Simplifying
a = -1b