6a+9=(3a-8)

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Solution for 6a+9=(3a-8) equation:


Simplifying
6a + 9 = (3a + -8)

Reorder the terms:
9 + 6a = (3a + -8)

Reorder the terms:
9 + 6a = (-8 + 3a)

Remove parenthesis around (-8 + 3a)
9 + 6a = -8 + 3a

Solving
9 + 6a = -8 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
9 + 6a + -3a = -8 + 3a + -3a

Combine like terms: 6a + -3a = 3a
9 + 3a = -8 + 3a + -3a

Combine like terms: 3a + -3a = 0
9 + 3a = -8 + 0
9 + 3a = -8

Add '-9' to each side of the equation.
9 + -9 + 3a = -8 + -9

Combine like terms: 9 + -9 = 0
0 + 3a = -8 + -9
3a = -8 + -9

Combine like terms: -8 + -9 = -17
3a = -17

Divide each side by '3'.
a = -5.666666667

Simplifying
a = -5.666666667

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