7r-9=-114

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Solution for 7r-9=-114 equation: 


Simplifying
7r + -9 = -114

Reorder the terms:
-9 + 7r = -114

Solving
-9 + 7r = -114

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 7r = -114 + 9

Combine like terms: -9 + 9 = 0
0 + 7r = -114 + 9
7r = -114 + 9

Combine like terms: -114 + 9 = -105
7r = -105

Divide each side by '7'.
r = -15

Simplifying
r = -15

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