-9r+5=r-125

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Solution for -9r+5=r-125 equation:


Simplifying
-9r + 5 = r + -125

Reorder the terms:
5 + -9r = r + -125

Reorder the terms:
5 + -9r = -125 + r

Solving
5 + -9r = -125 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
5 + -9r + -1r = -125 + r + -1r

Combine like terms: -9r + -1r = -10r
5 + -10r = -125 + r + -1r

Combine like terms: r + -1r = 0
5 + -10r = -125 + 0
5 + -10r = -125

Add '-5' to each side of the equation.
5 + -5 + -10r = -125 + -5

Combine like terms: 5 + -5 = 0
0 + -10r = -125 + -5
-10r = -125 + -5

Combine like terms: -125 + -5 = -130
-10r = -130

Divide each side by '-10'.
r = 13

Simplifying
r = 13

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