-86=1-3(1-4a)

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Solution for -86=1-3(1-4a) equation:


Simplifying
-86 = 1 + -3(1 + -4a)
-86 = 1 + (1 * -3 + -4a * -3)
-86 = 1 + (-3 + 12a)

Combine like terms: 1 + -3 = -2
-86 = -2 + 12a

Solving
-86 = -2 + 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.
-86 + -12a = -2 + 12a + -12a

Combine like terms: 12a + -12a = 0
-86 + -12a = -2 + 0
-86 + -12a = -2

Add '86' to each side of the equation.
-86 + 86 + -12a = -2 + 86

Combine like terms: -86 + 86 = 0
0 + -12a = -2 + 86
-12a = -2 + 86

Combine like terms: -2 + 86 = 84
-12a = 84

Divide each side by '-12'.
a = -7

Simplifying
a = -7

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