5(-r+5)=-5(3r+7)

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Solution for 5(-r+5)=-5(3r+7) equation:


Simplifying
5(-1r + 5) = -5(3r + 7)

Reorder the terms:
5(5 + -1r) = -5(3r + 7)
(5 * 5 + -1r * 5) = -5(3r + 7)
(25 + -5r) = -5(3r + 7)

Reorder the terms:
25 + -5r = -5(7 + 3r)
25 + -5r = (7 * -5 + 3r * -5)
25 + -5r = (-35 + -15r)

Solving
25 + -5r = -35 + -15r

Solving for variable 'r'.

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

Add '15r' to each side of the equation.
25 + -5r + 15r = -35 + -15r + 15r

Combine like terms: -5r + 15r = 10r
25 + 10r = -35 + -15r + 15r

Combine like terms: -15r + 15r = 0
25 + 10r = -35 + 0
25 + 10r = -35

Add '-25' to each side of the equation.
25 + -25 + 10r = -35 + -25

Combine like terms: 25 + -25 = 0
0 + 10r = -35 + -25
10r = -35 + -25

Combine like terms: -35 + -25 = -60
10r = -60

Divide each side by '10'.
r = -6

Simplifying
r = -6

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