4(5x-1)=21x

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


Simplifying
4(5x + -1) = 21x

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

Solving
-4 + 20x = 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-4 + 20x + -21x = 21x + -21x

Combine like terms: 20x + -21x = -1x
-4 + -1x = 21x + -21x

Combine like terms: 21x + -21x = 0
-4 + -1x = 0

Add '4' to each side of the equation.
-4 + 4 + -1x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 0 + 4
-1x = 0 + 4

Combine like terms: 0 + 4 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

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