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7(2x-1)-6(11-x)=3(x+4)-17
2(2x+3)=8(1-x)-5(x-2)+6x-1 ajutatima


Răspuns :

14x-7-66+6x=3x+12-344x+516=8-8x-5x+10+6x-1⇔14x+6x-3x+344x+8x+5x-6x=7+66+12+516+8+10-1⇔368x=618⇔×=618/368⇔x=1.6......