-7r-9=r+127

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Solution for -7r-9=r+127 equation:


Simplifying
-7r + -9 = r + 127

Reorder the terms:
-9 + -7r = r + 127

Reorder the terms:
-9 + -7r = 127 + r

Solving
-9 + -7r = 127 + 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.
-9 + -7r + -1r = 127 + r + -1r

Combine like terms: -7r + -1r = -8r
-9 + -8r = 127 + r + -1r

Combine like terms: r + -1r = 0
-9 + -8r = 127 + 0
-9 + -8r = 127

Add '9' to each side of the equation.
-9 + 9 + -8r = 127 + 9

Combine like terms: -9 + 9 = 0
0 + -8r = 127 + 9
-8r = 127 + 9

Combine like terms: 127 + 9 = 136
-8r = 136

Divide each side by '-8'.
r = -17

Simplifying
r = -17

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