-2a+7a=-4a

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Solution for -2a+7a=-4a equation: 


Simplifying
-2a + 7a = -4a

Combine like terms: -2a + 7a = 5a
5a = -4a

Solving
5a = -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
5a + 4a = -4a + 4a

Combine like terms: 5a + 4a = 9a
9a = -4a + 4a

Combine like terms: -4a + 4a = 0
9a = 0

Divide each side by '9'.
a = 0

Simplifying
a = 0

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