4a+12=6[a-(5-a)]

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Solution for 4a+12=6[a-(5-a)] equation:


Simplifying
4a + 12 = 6[a + -1(5 + -1a)]

Reorder the terms:
12 + 4a = 6[a + -1(5 + -1a)]
12 + 4a = 6[a + (5 * -1 + -1a * -1)]
12 + 4a = 6[a + (-5 + 1a)]

Reorder the terms:
12 + 4a = 6[-5 + a + 1a]

Combine like terms: a + 1a = 2a
12 + 4a = 6[-5 + 2a]
12 + 4a = [-5 * 6 + 2a * 6]
12 + 4a = [-30 + 12a]

Solving
12 + 4a = -30 + 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.
12 + 4a + -12a = -30 + 12a + -12a

Combine like terms: 4a + -12a = -8a
12 + -8a = -30 + 12a + -12a

Combine like terms: 12a + -12a = 0
12 + -8a = -30 + 0
12 + -8a = -30

Add '-12' to each side of the equation.
12 + -12 + -8a = -30 + -12

Combine like terms: 12 + -12 = 0
0 + -8a = -30 + -12
-8a = -30 + -12

Combine like terms: -30 + -12 = -42
-8a = -42

Divide each side by '-8'.
a = 5.25

Simplifying
a = 5.25

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