3a=12-7a

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Solution for 3a=12-7a equation:


Simplifying
3a = 12 + -7a

Solving
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.
3a + 7a = 12 + -7a + 7a

Combine like terms: 3a + 7a = 10a
10a = 12 + -7a + 7a

Combine like terms: -7a + 7a = 0
10a = 12 + 0
10a = 12

Divide each side by '10'.
a = 1.2

Simplifying
a = 1.2

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