3a+4b+(-2a)-(-2b)=

Solution for 3a+4b+(-2a)-(-2b)= equation:

Simplifying
3a + 4b + (-2a) + -1(-2b) = 0

Remove parenthesis around (-2b)
3a + 4b + (-2a) + -1 * -2b = 0

Multiply -1 * -2
3a + 4b + (-2a) + 2b = 0

Reorder the terms:
3a + (-2a) + 4b + 2b = 0

Combine like terms: 3a + (-2a) = 1a
1a + 4b + 2b = 0

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

Solving
1a + 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.
1a + 6b + -6b = 0 + -6b

Combine like terms: 6b + -6b = 0
1a + 0 = 0 + -6b
1a = 0 + -6b
Remove the zero:
1a = -6b

Divide each side by '1'.
a = -6b

Simplifying
a = -6b