9(r-s)+5(2r-2s)=

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Solution for 9(r-s)+5(2r-2s)= equation:


Simplifying
9(r + -1s) + 5(2r + -2s) = 0
(r * 9 + -1s * 9) + 5(2r + -2s) = 0
(9r + -9s) + 5(2r + -2s) = 0
9r + -9s + (2r * 5 + -2s * 5) = 0
9r + -9s + (10r + -10s) = 0

Reorder the terms:
9r + 10r + -9s + -10s = 0

Combine like terms: 9r + 10r = 19r
19r + -9s + -10s = 0

Combine like terms: -9s + -10s = -19s
19r + -19s = 0

Solving
19r + -19s = 0

Solving for variable 'r'.

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

Add '19s' to each side of the equation.
19r + -19s + 19s = 0 + 19s

Combine like terms: -19s + 19s = 0
19r + 0 = 0 + 19s
19r = 0 + 19s
Remove the zero:
19r = 19s

Divide each side by '19'.
r = s

Simplifying
r = s

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