Răspunsuri

2014-11-14T09:38:01+02:00
A) 2x+6<56
2x<
2x<50
x<50/2
x<25
c) 2*[12+3*(60-81+36)]-5x=7
2*(12+45)-5x=7
24+90-5x=7
-5x=7-90-24
x=107/5
x=21,4
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