Mickenzy99 Mickenzy99

15-01-2020
Mathematics

contestada

What is 9(d + 1) = 99 in two step equations

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josshyaby josshyaby

16-01-2020

Answer:

Step-by-step explanation:

9(d + 1) = 99

Open bracket

9d + 9 = 99

Collecting like terms

9d = 99 - 9

9d = 90

Dividing by 9

d = 90/9

d = 10

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