5(4x-1)=21

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Solution for 5(4x-1)=21 equation: 


Simplifying
5(4x + -1) = 21

Reorder the terms:
5(-1 + 4x) = 21
(-1 * 5 + 4x * 5) = 21
(-5 + 20x) = 21

Solving
-5 + 20x = 21

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 20x = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 20x = 21 + 5
20x = 21 + 5

Combine like terms: 21 + 5 = 26
20x = 26

Divide each side by '20'.
x = 1.3

Simplifying
x = 1.3

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