(3a+4)=1(12a+84)

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Solution for (3a+4)=1(12a+84) equation:


Simplifying
(3a + 4) = 1(12a + 84)

Reorder the terms:
(4 + 3a) = 1(12a + 84)

Remove parenthesis around (4 + 3a)
4 + 3a = 1(12a + 84)

Reorder the terms:
4 + 3a = 1(84 + 12a)
4 + 3a = (84 * 1 + 12a * 1)
4 + 3a = (84 + 12a)

Solving
4 + 3a = 84 + 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.
4 + 3a + -12a = 84 + 12a + -12a

Combine like terms: 3a + -12a = -9a
4 + -9a = 84 + 12a + -12a

Combine like terms: 12a + -12a = 0
4 + -9a = 84 + 0
4 + -9a = 84

Add '-4' to each side of the equation.
4 + -4 + -9a = 84 + -4

Combine like terms: 4 + -4 = 0
0 + -9a = 84 + -4
-9a = 84 + -4

Combine like terms: 84 + -4 = 80
-9a = 80

Divide each side by '-9'.
a = -8.888888889

Simplifying
a = -8.888888889

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