jennygayle996
jennygayle996 jennygayle996
  • 25-10-2020
  • Mathematics
contestada

48t-18=57t-81 equal what? t=-38, t=63, t=-7, t=38, t=19, or t=7

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jtrain62 jtrain62
  • 25-10-2020
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jcherry99
jcherry99 jcherry99
  • 25-10-2020

Answer:

t =7

Step-by-step explanation:

48t-18=57t-81                         Subtract 48t from both sides

48t-48t - 18 =57t-48t - 81       Combine

-18 = 9t - 81                             Add 81 to both sides

-18+81 = 9t -81 + 81                 Combine

63 = 9t                                    Divide by 9

63/9  = 9t/9

7       = t

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