-3a-(-7a)-2a=

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Solution for -3a-(-7a)-2a= equation: 


Simplifying
-3a + -1(-7a) + -2a = 0

Remove parenthesis around (-7a)
-3a + -1 * -7a + -2a = 0

Multiply -1 * -7
-3a + 7a + -2a = 0

Combine like terms: -3a + 7a = 4a
4a + -2a = 0

Combine like terms: 4a + -2a = 2a
2a = 0

Solving
2a = 0

Solving for variable 'a'.

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

Divide each side by '2'.
a = 0

Simplifying
a = 0

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