a+4a-3a-2a+4a=12

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Solution for a+4a-3a-2a+4a=12 equation: 


Simplifying
a + 4a + -3a + -2a + 4a = 12

Combine like terms: a + 4a = 5a
5a + -3a + -2a + 4a = 12

Combine like terms: 5a + -3a = 2a
2a + -2a + 4a = 12

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

Solving
4a = 12

Solving for variable 'a'.

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

Divide each side by '4'.
a = 3

Simplifying
a = 3

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