SOLUTION: add or subtract as indicated: (7r� + rs - 5r� ) - (2r�

SOLUTION: add or subtract as indicated: (7r� + rs - 5r� ) - (2r� - 3rs + r�)

Question 311346: add or subtract as indicated:
(7r� + rs - 5r� ) - (2r� - 3rs + r�)
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Do it term by term...combining like terms...
(7r� + rs - 5r� ) - (2r� - 3rs + r�) =
(7r� - 2r�) + (rs - (-3rs)) + (-5r� - r�)=
5r� + 4rs - 6r�
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