melanie7976
melanie7976 melanie7976
  • 22-06-2021
  • Mathematics
contestada

pls pls help
Perform the indicated operations.
a) 7a/20b
b) 7ab/20
c) 7/20ab

pls pls help Perform the indicated operations a 7a20b b 7ab20 c 720ab class=

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lany4a
lany4a lany4a
  • 22-06-2021

Answer:

it's a) 7a/20b

Step-by-step explanation:

[tex]5( \frac{a + 2}{4b} ) - 2( \frac{a - 1}{10b} ) + 4( \frac{a - 3}{5b} ) \\ \\ \frac{5a + 10 - 2a + 2 + 4a - 12}{20b } \\ \\ \\ \frac{7a}{20b} [/tex]

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