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posted by HELP !!! Tuesday, July 21, 2009 at 6:58pm.
collect like terms 10u+5v-6u-7v -5v -5v=-2 -10u -10u =-16 answer=-18 is my answer correct
no, you can only add/subtract like terms 10u+5v-6u-7v = 10u - 6u + 5v - 7v = 4u - 2v
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