4(2a-1)=20

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Solution for 4(2a-1)=20 equation:


Simplifying
4(2a + -1) = 20

Reorder the terms:
4(-1 + 2a) = 20
(-1 * 4 + 2a * 4) = 20
(-4 + 8a) = 20

Solving
-4 + 8a = 20

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 8a = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 8a = 20 + 4
8a = 20 + 4

Combine like terms: 20 + 4 = 24
8a = 24

Divide each side by '8'.
a = 3

Simplifying
a = 3

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