Question

rezolvati in inmultirea numerelor naturale ecuatiile a) 2x+7=43+x
b)84:(x-3)=12 c) 3×(4+5x)=72

Answer 1

a)2x+7=43+x=>2x-x=43-7=>x=36 b)84:(x-3)=12=>x-3=7=>x=10 c)3*(4+5x)=72=>4+5x=24|-4=>5x=20=>x=4