-39=6(3a-8)-(a+8)

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Solution for -39=6(3a-8)-(a+8) equation:


Simplifying
-39 = 6(3a + -8) + -1(a + 8)

Reorder the terms:
-39 = 6(-8 + 3a) + -1(a + 8)
-39 = (-8 * 6 + 3a * 6) + -1(a + 8)
-39 = (-48 + 18a) + -1(a + 8)

Reorder the terms:
-39 = -48 + 18a + -1(8 + a)
-39 = -48 + 18a + (8 * -1 + a * -1)
-39 = -48 + 18a + (-8 + -1a)

Reorder the terms:
-39 = -48 + -8 + 18a + -1a

Combine like terms: -48 + -8 = -56
-39 = -56 + 18a + -1a

Combine like terms: 18a + -1a = 17a
-39 = -56 + 17a

Solving
-39 = -56 + 17a

Solving for variable 'a'.

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

Add '-17a' to each side of the equation.
-39 + -17a = -56 + 17a + -17a

Combine like terms: 17a + -17a = 0
-39 + -17a = -56 + 0
-39 + -17a = -56

Add '39' to each side of the equation.
-39 + 39 + -17a = -56 + 39

Combine like terms: -39 + 39 = 0
0 + -17a = -56 + 39
-17a = -56 + 39

Combine like terms: -56 + 39 = -17
-17a = -17

Divide each side by '-17'.
a = 1

Simplifying
a = 1

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