(4a-2b+4)+(5a+1b+2)=

Solution for (4a-2b+4)+(5a+1b+2)= equation:

Simplifying
(4a + -2b + 4) + (5a + 1b + 2) = 0

Reorder the terms:
(4 + 4a + -2b) + (5a + 1b + 2) = 0

Remove parenthesis around (4 + 4a + -2b)
4 + 4a + -2b + (5a + 1b + 2) = 0

Reorder the terms:
4 + 4a + -2b + (2 + 5a + 1b) = 0

Remove parenthesis around (2 + 5a + 1b)
4 + 4a + -2b + 2 + 5a + 1b = 0

Reorder the terms:
4 + 2 + 4a + 5a + -2b + 1b = 0

Combine like terms: 4 + 2 = 6
6 + 4a + 5a + -2b + 1b = 0

Combine like terms: 4a + 5a = 9a
6 + 9a + -2b + 1b = 0

Combine like terms: -2b + 1b = -1b
6 + 9a + -1b = 0

Solving
6 + 9a + -1b = 0

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + 9a + -6 + -1b = 0 + -6

Reorder the terms:
6 + -6 + 9a + -1b = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 9a + -1b = 0 + -6
9a + -1b = 0 + -6

Combine like terms: 0 + -6 = -6
9a + -1b = -6

Add 'b' to each side of the equation.
9a + -1b + b = -6 + b

Combine like terms: -1b + b = 0
9a + 0 = -6 + b
9a = -6 + b

Divide each side by '9'.
a = -0.6666666667 + 0.1111111111b

Simplifying
a = -0.6666666667 + 0.1111111111b