How do you solve the inequality #7 + x + 10 < -2#?

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How do you solve the inequality #7 + x + 10 < -2#?

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Answer 1 · 2015-12-02T20:46:23

#x<-19#.

Explanation:

We start with:
#7+x+10<-2#.
#7# and #10# can be added. So,
#x+17<-2#.
Like we would do in normal algebra, we pass #+17# to the right, so,
#x<-2-17#,
#x<-19#.
We do not change the #<# sign in any moment because #x# doesn't change sign.

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How do you solve the inequality #7 + x + 10 < -2#?

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