-(6a+9)-4(a-6)=

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


Simplifying
-1(6a + 9) + -4(a + -6) = 0

Reorder the terms:
-1(9 + 6a) + -4(a + -6) = 0
(9 * -1 + 6a * -1) + -4(a + -6) = 0
(-9 + -6a) + -4(a + -6) = 0

Reorder the terms:
-9 + -6a + -4(-6 + a) = 0
-9 + -6a + (-6 * -4 + a * -4) = 0
-9 + -6a + (24 + -4a) = 0

Reorder the terms:
-9 + 24 + -6a + -4a = 0

Combine like terms: -9 + 24 = 15
15 + -6a + -4a = 0

Combine like terms: -6a + -4a = -10a
15 + -10a = 0

Solving
15 + -10a = 0

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -10a = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -10a = 0 + -15
-10a = 0 + -15

Combine like terms: 0 + -15 = -15
-10a = -15

Divide each side by '-10'.
a = 1.5

Simplifying
a = 1.5

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