9=-4(-8-a)

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Solution for 9=-4(-8-a) equation:


Simplifying
9 = -4(-8 + -1a)
9 = (-8 * -4 + -1a * -4)
9 = (32 + 4a)

Solving
9 = 32 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
9 + -4a = 32 + 4a + -4a

Combine like terms: 4a + -4a = 0
9 + -4a = 32 + 0
9 + -4a = 32

Add '-9' to each side of the equation.
9 + -9 + -4a = 32 + -9

Combine like terms: 9 + -9 = 0
0 + -4a = 32 + -9
-4a = 32 + -9

Combine like terms: 32 + -9 = 23
-4a = 23

Divide each side by '-4'.
a = -5.75

Simplifying
a = -5.75

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