-3r+5r-s+7s=

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Solution for -3r+5r-s+7s= equation:


Simplifying
-3r + 5r + -1s + 7s = 0

Combine like terms: -3r + 5r = 2r
2r + -1s + 7s = 0

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

Solving
2r + 6s = 0

Solving for variable 'r'.

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

Add '-6s' to each side of the equation.
2r + 6s + -6s = 0 + -6s

Combine like terms: 6s + -6s = 0
2r + 0 = 0 + -6s
2r = 0 + -6s
Remove the zero:
2r = -6s

Divide each side by '2'.
r = -3s

Simplifying
r = -3s

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