0.80(r-100.00)=150.00

Solution for 0.80(r-100.00)=150.00 equation:

Simplifying
0.80(r + -100.00) = 150.00

Reorder the terms:
0.80(-100.00 + r) = 150.00
(-100.00 * 0.80 + r * 0.80) = 150.00
(-80 + 0.80r) = 150.00

Solving
-80 + 0.80r = 150.00

Solving for variable 'r'.

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

Add '80' to each side of the equation.
-80 + 80 + 0.80r = 150.00 + 80

Combine like terms: -80 + 80 = 0
0 + 0.80r = 150.00 + 80
0.80r = 150.00 + 80

Combine like terms: 150.00 + 80 = 230
0.80r = 230

Divide each side by '0.80'.
r = 287.5

Simplifying
r = 287.5