8-(r+9)-7=9 helppppp pleaseeee

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asked Jul 11, 2022 97.3k views

1 vote

8-(r+9)-7=9
helppppp pleaseeee

Mathematics
high-school

BatyrCan asked

by BatyrCan

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1 Answer

3 votes

8-(r+9)-7 = 9

First, distribute the (-) sign! ^^

8-r-9-7=9

Calculate the numbers! ^^

-8-r = 9

Isolate the variable (r)! ^^

-r = 9+8

Solve! ^^

-r = 17

Move the sign! ^^

r = -17

^ this is your answer :)

LStarky answered Jul 18, 2022

by LStarky

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