450.00=0.80(x-100.00)

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Solution for 450.00=0.80(x-100.00) equation: 


Simplifying
450.00 = 0.80(x + -100.00)

Reorder the terms:
450.00 = 0.80(-100.00 + x)
450.00 = (-100.00 * 0.80 + x * 0.80)
450.00 = (-80 + 0.80x)

Solving
450.00 = -80 + 0.80x

Solving for variable 'x'.

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

Add '-0.80x' to each side of the equation.
450.00 + -0.80x = -80 + 0.80x + -0.80x

Combine like terms: 0.80x + -0.80x = 0.00
450.00 + -0.80x = -80 + 0.00
450.00 + -0.80x = -80

Add '-450.00' to each side of the equation.
450.00 + -450.00 + -0.80x = -80 + -450.00

Combine like terms: 450.00 + -450.00 = 0.00
0.00 + -0.80x = -80 + -450.00
-0.80x = -80 + -450.00

Combine like terms: -80 + -450.00 = -530
-0.80x = -530

Divide each side by '-0.80'.
x = 662.5

Simplifying
x = 662.5

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