28a=120-12a

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Solution for 28a=120-12a equation:


Simplifying
28a = 120 + -12a

Solving
28a = 120 + -12a

Solving for variable 'a'.

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

Add '12a' to each side of the equation.
28a + 12a = 120 + -12a + 12a

Combine like terms: 28a + 12a = 40a
40a = 120 + -12a + 12a

Combine like terms: -12a + 12a = 0
40a = 120 + 0
40a = 120

Divide each side by '40'.
a = 3

Simplifying
a = 3

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