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Musya8 [376]
3 years ago
5

Find the value of 3x + 2 when 7 + x = 5

Mathematics
1 answer:
Stells [14]3 years ago
6 0
Work out the second equation first.
7 + x= 5
-7      -7
   x = -2
Plug in x.
3(-2)+2=?
  -6+2=4
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