Răspuns :
2(x+3)+3x<sau=26x
2x+6+3x<sau=26x
5x+6<sau=26x
6< sau =26x-5x
6< sau =21x
6<26x
2x+6+3x<sau=26x
5x+6<sau=26x
6< sau =26x-5x
6< sau =21x
6<26x
2(x+3)+3x < /=26=> 2x+6+3x </= 26 => 5x < /= 20 /÷5 => x</=4