3+(9+A)=3A

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Solution for 3+(9+A)=3A equation:


Simplifying
3 + (9 + A) = 3A

Remove parenthesis around (9 + A)
3 + 9 + A = 3A

Combine like terms: 3 + 9 = 12
12 + A = 3A

Solving
12 + A = 3A

Solving for variable 'A'.

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

Add '-3A' to each side of the equation.
12 + A + -3A = 3A + -3A

Combine like terms: A + -3A = -2A
12 + -2A = 3A + -3A

Combine like terms: 3A + -3A = 0
12 + -2A = 0

Add '-12' to each side of the equation.
12 + -12 + -2A = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -2A = 0 + -12
-2A = 0 + -12

Combine like terms: 0 + -12 = -12
-2A = -12

Divide each side by '-2'.
A = 6

Simplifying
A = 6

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