Question

3 – Resolva as inequações seguintes: a) 5x + 10 > 3x – 2 b) x < – 2x + 12 c) x – 1 > - x – 5

Answer 1

a)$5x+10>3x-2\\2x>-12\\x>-6$

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b)$x<-2x+12\\3x<12\\x<4$

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c)$x-1>-x-5\\x>-x-4\\2x>-4\\x>-2$