-9a-[2(1+3a)+6]=5a

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Solution for -9a-[2(1+3a)+6]=5a equation:


Simplifying
-9a + -1[2(1 + 3a) + 6] = 5a
-9a + -1[(1 * 2 + 3a * 2) + 6] = 5a
-9a + -1[(2 + 6a) + 6] = 5a

Reorder the terms:
-9a + -1[2 + 6 + 6a] = 5a

Combine like terms: 2 + 6 = 8
-9a + -1[8 + 6a] = 5a
-9a + [8 * -1 + 6a * -1] = 5a
-9a + [-8 + -6a] = 5a

Reorder the terms:
-8 + -9a + -6a = 5a

Combine like terms: -9a + -6a = -15a
-8 + -15a = 5a

Solving
-8 + -15a = 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-8 + -15a + -5a = 5a + -5a

Combine like terms: -15a + -5a = -20a
-8 + -20a = 5a + -5a

Combine like terms: 5a + -5a = 0
-8 + -20a = 0

Add '8' to each side of the equation.
-8 + 8 + -20a = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -20a = 0 + 8
-20a = 0 + 8

Combine like terms: 0 + 8 = 8
-20a = 8

Divide each side by '-20'.
a = -0.4

Simplifying
a = -0.4

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