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

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


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

Combine like terms: 3a + (-2a) = 1a
1a + 7a = 0

Combine like terms: 1a + 7a = 8a
8a = 0

Solving
8a = 0

Solving for variable 'a'.

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

Divide each side by '8'.
a = 0

Simplifying
a = 0

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