4(5a-4)=

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Solution for 4(5a-4)= equation: 


Simplifying
4(5a + -4) = 0

Reorder the terms:
4(-4 + 5a) = 0
(-4 * 4 + 5a * 4) = 0
(-16 + 20a) = 0

Solving
-16 + 20a = 0

Solving for variable 'a'.

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

Add '16' to each side of the equation.
-16 + 16 + 20a = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 20a = 0 + 16
20a = 0 + 16

Combine like terms: 0 + 16 = 16
20a = 16

Divide each side by '20'.
a = 0.8

Simplifying
a = 0.8

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