Seudónimo Seudónimo
  • 01-05-2018
  • Mathematics
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12+5v=2v-9 please show step by step!

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graciecain13
graciecain13 graciecain13
  • 01-05-2018
12+5v−12−2v=2v−9−12−2v Step 1
12−12+5v−2v=2v−2v−9−12. Step 2 
0+(5−2)v=0−21.              Step 3 
3v=−21 Step 4 

Now you have to divide 
3v3=−213

3v3=−7

v=−7

Answer Link
Supernova
Supernova Supernova
  • 01-05-2018
12 + 5v = 2v - 9
Subtract 12 from both sides.

5v = 2v - 21
Subtract 2v from both sides.

3v = -21
Divide both sides by 3.

v = -7
Answer Link

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