9a-39(a-6)=-6

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Solution for 9a-39(a-6)=-6 equation:


Simplifying
9a + -39(a + -6) = -6

Reorder the terms:
9a + -39(-6 + a) = -6
9a + (-6 * -39 + a * -39) = -6
9a + (234 + -39a) = -6

Reorder the terms:
234 + 9a + -39a = -6

Combine like terms: 9a + -39a = -30a
234 + -30a = -6

Solving
234 + -30a = -6

Solving for variable 'a'.

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

Add '-234' to each side of the equation.
234 + -234 + -30a = -6 + -234

Combine like terms: 234 + -234 = 0
0 + -30a = -6 + -234
-30a = -6 + -234

Combine like terms: -6 + -234 = -240
-30a = -240

Divide each side by '-30'.
a = 8

Simplifying
a = 8

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