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9(b + 5) – 4b what is this equivalent expression? =

asked Jul 8, 2023 121k views

20 votes

9(b + 5) – 4b
what is this equivalent expression?
=

Mathematics
high-school

4.2k points

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2 Answers

11 votes

Answer:

$9(b + 5) - 4b = \\ 9b + 45 - 4b = \\ 5b + 45 = b + 9$

Hope it helps you<3

Miral Dhokiya answered Jul 9, 2023

by Miral Dhokiya

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14 votes

$\looparrowright \sf9(b + 5) - 4b$

$\\ \\$

$\looparrowright \sf9b + 45 = - 4b$

$\\ \\$

$\looparrowright \sf9b + 4b + 45 = 0$

$\\ \\$

$\looparrowright \sf5b + 45 = 0$

$\\ \\$

$\looparrowright \sf5b = - 45$

$\\ \\$

$\looparrowright \sf \: b = - 45 / 5$

$\\ \\$

$\looparrowright \sf \: b = -9$

Shauntel answered Jul 11, 2023

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