.3a=12+7a

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Solution for .3a=12+7a equation: 


Simplifying
0.3a = 12 + 7a

Solving
0.3a = 12 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
0.3a + -7a = 12 + 7a + -7a

Combine like terms: 0.3a + -7a = -6.7a
-6.7a = 12 + 7a + -7a

Combine like terms: 7a + -7a = 0
-6.7a = 12 + 0
-6.7a = 12

Divide each side by '-6.7'.
a = -1.791044776

Simplifying
a = -1.791044776

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