9s+8r+15=

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Solution for 9s+8r+15= equation:


Simplifying
9s + 8r + 15 = 0

Reorder the terms:
15 + 8r + 9s = 0

Solving
15 + 8r + 9s = 0

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + 8r + -15 + 9s = 0 + -15

Reorder the terms:
15 + -15 + 8r + 9s = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 8r + 9s = 0 + -15
8r + 9s = 0 + -15

Combine like terms: 0 + -15 = -15
8r + 9s = -15

Add '-9s' to each side of the equation.
8r + 9s + -9s = -15 + -9s

Combine like terms: 9s + -9s = 0
8r + 0 = -15 + -9s
8r = -15 + -9s

Divide each side by '8'.
r = -1.875 + -1.125s

Simplifying
r = -1.875 + -1.125s

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