4x-28-2x-6<9
2x-34<9
2x<43
x<21,5
-oo__________21,5______________+oo
/////////////////////////////
Хє(-oo;21,5]
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4x-28-2x-6<9
2x-34<9
2x<43
x<21,5
-oo__________21,5______________+oo
/////////////////////////////
Хє(-oo;21,5]