9r-s-2r+6s=

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Solution for 9r-s-2r+6s= equation:


Simplifying
9r + -1s + -2r + 6s = 0

Reorder the terms:
9r + -2r + -1s + 6s = 0

Combine like terms: 9r + -2r = 7r
7r + -1s + 6s = 0

Combine like terms: -1s + 6s = 5s
7r + 5s = 0

Solving
7r + 5s = 0

Solving for variable 'r'.

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

Add '-5s' to each side of the equation.
7r + 5s + -5s = 0 + -5s

Combine like terms: 5s + -5s = 0
7r + 0 = 0 + -5s
7r = 0 + -5s
Remove the zero:
7r = -5s

Divide each side by '7'.
r = -0.7142857143s

Simplifying
r = -0.7142857143s

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