8x-21=0.5x+3

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Solution for 8x-21=0.5x+3 equation:


Simplifying
8x + -21 = 0.5x + 3

Reorder the terms:
-21 + 8x = 0.5x + 3

Reorder the terms:
-21 + 8x = 3 + 0.5x

Solving
-21 + 8x = 3 + 0.5x

Solving for variable 'x'.

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

Add '-0.5x' to each side of the equation.
-21 + 8x + -0.5x = 3 + 0.5x + -0.5x

Combine like terms: 8x + -0.5x = 7.5x
-21 + 7.5x = 3 + 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
-21 + 7.5x = 3 + 0.0
-21 + 7.5x = 3

Add '21' to each side of the equation.
-21 + 21 + 7.5x = 3 + 21

Combine like terms: -21 + 21 = 0
0 + 7.5x = 3 + 21
7.5x = 3 + 21

Combine like terms: 3 + 21 = 24
7.5x = 24

Divide each side by '7.5'.
x = 3.2

Simplifying
x = 3.2

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