6(-5a+4)+3(1+6a)=-9

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Solution for 6(-5a+4)+3(1+6a)=-9 equation:


Simplifying
6(-5a + 4) + 3(1 + 6a) = -9

Reorder the terms:
6(4 + -5a) + 3(1 + 6a) = -9
(4 * 6 + -5a * 6) + 3(1 + 6a) = -9
(24 + -30a) + 3(1 + 6a) = -9
24 + -30a + (1 * 3 + 6a * 3) = -9
24 + -30a + (3 + 18a) = -9

Reorder the terms:
24 + 3 + -30a + 18a = -9

Combine like terms: 24 + 3 = 27
27 + -30a + 18a = -9

Combine like terms: -30a + 18a = -12a
27 + -12a = -9

Solving
27 + -12a = -9

Solving for variable 'a'.

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

Add '-27' to each side of the equation.
27 + -27 + -12a = -9 + -27

Combine like terms: 27 + -27 = 0
0 + -12a = -9 + -27
-12a = -9 + -27

Combine like terms: -9 + -27 = -36
-12a = -36

Divide each side by '-12'.
a = 3

Simplifying
a = 3

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