3 years ago

5(2i+4) - i = 38 distributive property

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

8 0

9514 1404 393

Answer:

i = 2

Step-by-step explanation:

The outside factor multiplies each term in parentheses.

5(2i +4) -i = 38

10i +20 -i = 38 . . . . eliminate parentheses

9i +20 = 38 . . . . . . collect terms

9i = 18 . . . . . . . . . . subtract 20

i = 2 . . . . . . . . . . . . divide by 9

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