157.5=(250)(0.07)(r)

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Solution for 157.5=(250)(0.07)(r) equation:


Simplifying
157.5 = (250)(0.07)(r)

Multiply 250 * 0.07
157.5 = 17.5r

Solving
157.5 = 17.5r

Solving for variable 'r'.

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

Add '-17.5r' to each side of the equation.
157.5 + -17.5r = 17.5r + -17.5r

Combine like terms: 17.5r + -17.5r = 0.0
157.5 + -17.5r = 0.0

Add '-157.5' to each side of the equation.
157.5 + -157.5 + -17.5r = 0.0 + -157.5

Combine like terms: 157.5 + -157.5 = 0.0
0.0 + -17.5r = 0.0 + -157.5
-17.5r = 0.0 + -157.5

Combine like terms: 0.0 + -157.5 = -157.5
-17.5r = -157.5

Divide each side by '-17.5'.
r = 9

Simplifying
r = 9

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