3a-(-4a)=

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Solution for 3a-(-4a)= equation: 


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

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

Multiply -1 * -4
3a + 4a = 0

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

Solving
7a = 0

Solving for variable 'a'.

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

Divide each side by '7'.
a = 0

Simplifying
a = 0

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