vasroxs
vasroxs vasroxs
  • 14-08-2021
  • Mathematics
contestada

plz help!! will mark brainliest

plz help will mark brainliest class=

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homeworkhelper272
homeworkhelper272 homeworkhelper272
  • 14-08-2021

Step-by-step explanation:

x + 4 + 3x = 72 Let's agroup all the x

4x + 4 = 72 Subtract 4 on both sides

4x = 68 Divide both sides by 4

x = 17

x + 3 + x – 8 + x = 55 Let's agroup all the x

3x + 3 – 8 = 55 Solve 3 – 8

3x – 5 = 55 Add 5 on both sides

3x = 60 divide both sides by 3

x = 20

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