bellsbella34
bellsbella34
09-05-2018
Mathematics
contestada
use (r,16) to solve y=2x-4
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AnimeBrainly
AnimeBrainly
09-05-2018
(x,y) = (r,16)
With this knowledge, plug in r for x, and 16 for y
16 = 2(r) - 4
Isolate the r, add 4 to both sides
16 (+4) = 2r - 4 (+4)
20 = 2r
Divide 2 from both sides
20/2 = 2r/2
r = 20/2
r = 10
hope this helps
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