4(2a-5)=20

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Solution for 4(2a-5)=20 equation: 


Simplifying
4(2a + -5) = 20

Reorder the terms:
4(-5 + 2a) = 20
(-5 * 4 + 2a * 4) = 20
(-20 + 8a) = 20

Solving
-20 + 8a = 20

Solving for variable 'a'.

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

Add '20' to each side of the equation.
-20 + 20 + 8a = 20 + 20

Combine like terms: -20 + 20 = 0
0 + 8a = 20 + 20
8a = 20 + 20

Combine like terms: 20 + 20 = 40
8a = 40

Divide each side by '8'.
a = 5

Simplifying
a = 5

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