silvialiang2332 silvialiang2332
  • 07-09-2017
  • Mathematics
contestada

If the sum of twice a number and -3 is multiplied by 4, the number is 28. what is the number

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kphung76127
kphung76127 kphung76127
  • 07-09-2017
(2x-3)*4=28

Disribute
8x-12=28

Add 12 to both sides
8x=40

Divide both sides by 8
x=5
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