-(5a+9)-5(a-8)=

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Solution for -(5a+9)-5(a-8)= equation:


Simplifying
-1(5a + 9) + -5(a + -8) = 0

Reorder the terms:
-1(9 + 5a) + -5(a + -8) = 0
(9 * -1 + 5a * -1) + -5(a + -8) = 0
(-9 + -5a) + -5(a + -8) = 0

Reorder the terms:
-9 + -5a + -5(-8 + a) = 0
-9 + -5a + (-8 * -5 + a * -5) = 0
-9 + -5a + (40 + -5a) = 0

Reorder the terms:
-9 + 40 + -5a + -5a = 0

Combine like terms: -9 + 40 = 31
31 + -5a + -5a = 0

Combine like terms: -5a + -5a = -10a
31 + -10a = 0

Solving
31 + -10a = 0

Solving for variable 'a'.

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

Add '-31' to each side of the equation.
31 + -31 + -10a = 0 + -31

Combine like terms: 31 + -31 = 0
0 + -10a = 0 + -31
-10a = 0 + -31

Combine like terms: 0 + -31 = -31
-10a = -31

Divide each side by '-10'.
a = 3.1

Simplifying
a = 3.1

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