bbyjaypink
bbyjaypink bbyjaypink
  • 02-12-2019
  • Biology
contestada

what property is this
[tex]5x + 15 + 2x = 4x + 9[/tex]
​

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luciagmosquera
luciagmosquera luciagmosquera
  • 02-12-2019
X= -2

5x + 15 + 2x = 4x + 9

7x + 15 = 4x + 9 (subtract 4 from each side)

3x + 15 = 9 (subtract 15 from each side)

3x = -6 (divide by 3 on each side)

X= -2
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