4(a-8)=20

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Solution for 4(a-8)=20 equation: 


Simplifying
4(a + -8) = 20

Reorder the terms:
4(-8 + a) = 20
(-8 * 4 + a * 4) = 20
(-32 + 4a) = 20

Solving
-32 + 4a = 20

Solving for variable 'a'.

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

Add '32' to each side of the equation.
-32 + 32 + 4a = 20 + 32

Combine like terms: -32 + 32 = 0
0 + 4a = 20 + 32
4a = 20 + 32

Combine like terms: 20 + 32 = 52
4a = 52

Divide each side by '4'.
a = 13

Simplifying
a = 13

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