7(2x+6)-4(9x+6)<-26 what is the answer ?

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asked Dec 24, 2016 113k views

5 votes

7(2x+6)-4(9x+6)<-26 what is the answer ?

Mathematics
high-school

Hamburger asked

by Hamburger

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2 Answers

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$7(2x+6)-4(9x+6)\ \textless \ -26 \\ 14x+42-36x-24\ \textless \ -26 \\ -22x+18\ \textless \ -26 \\ -22x\ \textless \ -26-18 \\ -22x\ \textless \ -44 \\ -x\ \textless \ (-44)/(22) =-2 \\ x\ \textgreater \ 2$

Rethinavel answered Dec 26, 2016

by Rethinavel

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3 votes

7(2x+6)-4(9x+6)<-26
14x+42-36x-24<-26
-22x + 42-24 <-26
-22x +18 < -26
-22x < -44
x < 2

Danail Gabenski answered Dec 29, 2016

by Danail Gabenski

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