20.5x-15=18x

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Solution for 20.5x-15=18x equation:


Simplifying
20.5x + -15 = 18x

Reorder the terms:
-15 + 20.5x = 18x

Solving
-15 + 20.5x = 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-15 + 20.5x + -18x = 18x + -18x

Combine like terms: 20.5x + -18x = 2.5x
-15 + 2.5x = 18x + -18x

Combine like terms: 18x + -18x = 0
-15 + 2.5x = 0

Add '15' to each side of the equation.
-15 + 15 + 2.5x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 2.5x = 0 + 15
2.5x = 0 + 15

Combine like terms: 0 + 15 = 15
2.5x = 15

Divide each side by '2.5'.
x = 6

Simplifying
x = 6

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