25-5r=-5(3r+1)

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Solution for 25-5r=-5(3r+1) equation:


Simplifying
25 + -5r = -5(3r + 1)

Reorder the terms:
25 + -5r = -5(1 + 3r)
25 + -5r = (1 * -5 + 3r * -5)
25 + -5r = (-5 + -15r)

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

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

Combine like terms: -15r + 15r = 0
25 + 10r = -5 + 0
25 + 10r = -5

Add '-25' to each side of the equation.
25 + -25 + 10r = -5 + -25

Combine like terms: 25 + -25 = 0
0 + 10r = -5 + -25
10r = -5 + -25

Combine like terms: -5 + -25 = -30
10r = -30

Divide each side by '10'.
r = -3

Simplifying
r = -3

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