0.5x=4x-21

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Solution for 0.5x=4x-21 equation: 


Simplifying
0.5x = 4x + -21

Reorder the terms:
0.5x = -21 + 4x

Solving
0.5x = -21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
0.5x + -4x = -21 + 4x + -4x

Combine like terms: 0.5x + -4x = -3.5x
-3.5x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
-3.5x = -21 + 0
-3.5x = -21

Divide each side by '-3.5'.
x = 6

Simplifying
x = 6

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