isabellasmithpanda isabellasmithpanda

22-03-2021
Mathematics

contestada

solve using cross multiply. 7/b+5=10/5

Respuesta :

norajenstineaudition norajenstineaudition

22-03-2021

Answer:

b = -1.5 OR b = -3/2

Step-by-step explanation:

7 × 5 = 35

10(b + 5) = 10b + 50

10b + 50 = 35

- 50 -50

_______________

10b = -15

___ ___

10 10

b = -1.5

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