75=-5(r-10)

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Solution for 75=-5(r-10) equation:


Simplifying
75 = -5(r + -10)

Reorder the terms:
75 = -5(-10 + r)
75 = (-10 * -5 + r * -5)
75 = (50 + -5r)

Solving
75 = 50 + -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
75 + 5r = 50 + -5r + 5r

Combine like terms: -5r + 5r = 0
75 + 5r = 50 + 0
75 + 5r = 50

Add '-75' to each side of the equation.
75 + -75 + 5r = 50 + -75

Combine like terms: 75 + -75 = 0
0 + 5r = 50 + -75
5r = 50 + -75

Combine like terms: 50 + -75 = -25
5r = -25

Divide each side by '5'.
r = -5

Simplifying
r = -5

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