6r+6s-9(4r-5s)=

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Solution for 6r+6s-9(4r-5s)= equation:


Simplifying
6r + 6s + -9(4r + -5s) = 0
6r + 6s + (4r * -9 + -5s * -9) = 0
6r + 6s + (-36r + 45s) = 0

Reorder the terms:
6r + -36r + 6s + 45s = 0

Combine like terms: 6r + -36r = -30r
-30r + 6s + 45s = 0

Combine like terms: 6s + 45s = 51s
-30r + 51s = 0

Solving
-30r + 51s = 0

Solving for variable 'r'.

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

Add '-51s' to each side of the equation.
-30r + 51s + -51s = 0 + -51s

Combine like terms: 51s + -51s = 0
-30r + 0 = 0 + -51s
-30r = 0 + -51s
Remove the zero:
-30r = -51s

Divide each side by '-30'.
r = 1.7s

Simplifying
r = 1.7s

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