Seudónimo Seudónimo
  • 29-10-2020
  • Mathematics
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Can someone please explain how to do this? Iʻm not sure.

Can someone please explain how to do this Iʻm not sure class=

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af8818295 af8818295
  • 29-10-2020
This is the answer hope you get it :)
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princessbee47
princessbee47 princessbee47
  • 29-10-2020
28 = -7/5y (cross multiply)
28*5 = -7y
140 = -7y (divide both sides by -7)
140/-7 = -7y/-7
-20 = y
y = -20
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