4x-12=20.5

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Solution for 4x-12=20.5 equation: 


Simplifying
4x + -12 = 20.5

Reorder the terms:
-12 + 4x = 20.5

Solving
-12 + 4x = 20.5

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 4x = 20.5 + 12

Combine like terms: -12 + 12 = 0
0 + 4x = 20.5 + 12
4x = 20.5 + 12

Combine like terms: 20.5 + 12 = 32.5
4x = 32.5

Divide each side by '4'.
x = 8.125

Simplifying
x = 8.125

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