4(a+2a)=12

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Solution for 4(a+2a)=12 equation: 


Simplifying
4(a + 2a) = 12

Combine like terms: a + 2a = 3a
4(3a) = 12

Remove parenthesis around (3a)
4 * 3a = 12

Multiply 4 * 3
12a = 12

Solving
12a = 12

Solving for variable 'a'.

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

Divide each side by '12'.
a = 1

Simplifying
a = 1

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