-(4a-9a)+6b=

Solution for -(4a-9a)+6b= equation:

Simplifying
-1(4a + -9a) + 6b = 0

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

Remove parenthesis around (-5a)
-1 * -5a + 6b = 0

Multiply -1 * -5
5a + 6b = 0

Solving
5a + 6b = 0

Solving for variable 'a'.

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

Add '-6b' to each side of the equation.
5a + 6b + -6b = 0 + -6b

Combine like terms: 6b + -6b = 0
5a + 0 = 0 + -6b
5a = 0 + -6b
Remove the zero:
5a = -6b

Divide each side by '5'.
a = -1.2b

Simplifying
a = -1.2b