8(5-9a)=-28

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Solution for 8(5-9a)=-28 equation: 


Simplifying
8(5 + -9a) = -28
(5 * 8 + -9a * 8) = -28
(40 + -72a) = -28

Solving
40 + -72a = -28

Solving for variable 'a'.

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

Add '-40' to each side of the equation.
40 + -40 + -72a = -28 + -40

Combine like terms: 40 + -40 = 0
0 + -72a = -28 + -40
-72a = -28 + -40

Combine like terms: -28 + -40 = -68
-72a = -68

Divide each side by '-72'.
a = 0.9444444444

Simplifying
a = 0.9444444444

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