Seudónimo Seudónimo
  • 11-12-2016
  • Mathematics
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What are the answers for questions 3&4? explanations if possible please!

What are the answers for questions 3amp4 explanations if possible please class=

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JaneDove JaneDove
  • 12-12-2016
for 3 you have to subtract 72 on both sides
+72 -2X=54
-72 -72
72-72 cancels out and then subtract the 54 from -72 the answer for that then should be divided by -2
and then X= (the answer)
and the -72 goes under 54 not -2x
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