.5x+21=25

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Solution for .5x+21=25 equation: 


Simplifying
0.5x + 21 = 25

Reorder the terms:
21 + 0.5x = 25

Solving
21 + 0.5x = 25

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 0.5x = 25 + -21

Combine like terms: 21 + -21 = 0
0 + 0.5x = 25 + -21
0.5x = 25 + -21

Combine like terms: 25 + -21 = 4
0.5x = 4

Divide each side by '0.5'.
x = 8

Simplifying
x = 8

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