8a-2(9a+a)=2(-9a-5)-6

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Solution for 8a-2(9a+a)=2(-9a-5)-6 equation:


Simplifying
8a + -2(9a + a) = 2(-9a + -5) + -6

Combine like terms: 9a + a = 10a
8a + -2(10a) = 2(-9a + -5) + -6

Remove parenthesis around (10a)
8a + -2 * 10a = 2(-9a + -5) + -6

Multiply -2 * 10
8a + -20a = 2(-9a + -5) + -6

Combine like terms: 8a + -20a = -12a
-12a = 2(-9a + -5) + -6

Reorder the terms:
-12a = 2(-5 + -9a) + -6
-12a = (-5 * 2 + -9a * 2) + -6
-12a = (-10 + -18a) + -6

Reorder the terms:
-12a = -10 + -6 + -18a

Combine like terms: -10 + -6 = -16
-12a = -16 + -18a

Solving
-12a = -16 + -18a

Solving for variable 'a'.

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

Add '18a' to each side of the equation.
-12a + 18a = -16 + -18a + 18a

Combine like terms: -12a + 18a = 6a
6a = -16 + -18a + 18a

Combine like terms: -18a + 18a = 0
6a = -16 + 0
6a = -16

Divide each side by '6'.
a = -2.666666667

Simplifying
a = -2.666666667

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