What is the answer to 5/9(8+c)=-20

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asked Nov 21, 2017 30.6k views

1 vote

What is the answer to 5/9(8+c)=-20

Mathematics
middle-school

Kurt Harriger asked

by Kurt Harriger

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2 Answers

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5/9(8+c)= -20
⇒ 40/9+ 5/9c= -20
⇒ 5/9c= -20 -40/9
⇒ 5/9c= -24 4/9
⇒ c= -24 4/9/(5/9)
⇒ c= -44

Final answer: c= -44~

Pschang answered Nov 22, 2017

by Pschang

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$(5)/(9) (8 + c) = -20 \\ \\ (5(8 + c))/(9) = -20 \\ \\ 5(8 + c) = -20 * 9 \\ \\ 5(8 + c) = -180 \\ \\ 8 + c = - (180)/(5) \\ \\ 8 + c = -36 \\ \\ c = -36 - 8 \\ \\ c = -44 \\ \\ Answer: \fbox {c = -44}$

Abdulwehab answered Nov 26, 2017

by Abdulwehab

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