4a-2a=2a+-4-2a

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


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

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

Reorder the terms:
2a = -4 + 2a + -2a

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

Solving
2a = -4

Solving for variable 'a'.

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

Divide each side by '2'.
a = -2

Simplifying
a = -2

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