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OpenStudy (anonymous):
if 4(x+y)+3=19, then x+y= _________
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OpenStudy (anonymous):
i got 8.
jimthompson5910 (jim_thompson5910):
think of x+y as z ie replace x+y with z to get 4(x+y) + 3 = 19 4z + 3 = 19 now solve for z
jimthompson5910 (jim_thompson5910):
the answer you get for z will be the same as the answer of x+y
OpenStudy (anonymous):
4. ok thanks!!
jimthompson5910 (jim_thompson5910):
you got it
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