-10=5r-25

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Solution for -10=5r-25 equation:


Simplifying
-10 = 5r + -25

Reorder the terms:
-10 = -25 + 5r

Solving
-10 = -25 + 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.
-10 + -5r = -25 + 5r + -5r

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

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

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

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

Divide each side by '-5'.
r = 3

Simplifying
r = 3

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