4a-2a=-12-2a

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Solution for 4a-2a=-12-2a equation: 


Simplifying
4a + -2a = -12 + -2a

Combine like terms: 4a + -2a = 2a
2a = -12 + -2a

Solving
2a = -12 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
2a + 2a = -12 + -2a + 2a

Combine like terms: 2a + 2a = 4a
4a = -12 + -2a + 2a

Combine like terms: -2a + 2a = 0
4a = -12 + 0
4a = -12

Divide each side by '4'.
a = -3

Simplifying
a = -3

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