maceodunn
maceodunn maceodunn
  • 21-09-2017
  • Mathematics
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if 10x+2=7 what us 2x

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Tiffani906241
Tiffani906241 Tiffani906241
  • 21-09-2017
2x=1

10x+2=7
subtract 2 from both sides
10x=5
divide 10 on both sides
x=1/2, 0.5, or 5/10

Use 1/2 to solve '2x'
2*(1/2)=1
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