-12=-4(3+6a)-8(5-4a)

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Solution for -12=-4(3+6a)-8(5-4a) equation:


Simplifying
-12 = -4(3 + 6a) + -8(5 + -4a)
-12 = (3 * -4 + 6a * -4) + -8(5 + -4a)
-12 = (-12 + -24a) + -8(5 + -4a)
-12 = -12 + -24a + (5 * -8 + -4a * -8)
-12 = -12 + -24a + (-40 + 32a)

Reorder the terms:
-12 = -12 + -40 + -24a + 32a

Combine like terms: -12 + -40 = -52
-12 = -52 + -24a + 32a

Combine like terms: -24a + 32a = 8a
-12 = -52 + 8a

Solving
-12 = -52 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-12 + -8a = -52 + 8a + -8a

Combine like terms: 8a + -8a = 0
-12 + -8a = -52 + 0
-12 + -8a = -52

Add '12' to each side of the equation.
-12 + 12 + -8a = -52 + 12

Combine like terms: -12 + 12 = 0
0 + -8a = -52 + 12
-8a = -52 + 12

Combine like terms: -52 + 12 = -40
-8a = -40

Divide each side by '-8'.
a = 5

Simplifying
a = 5

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