Question

12x cu bara deasupra + 13x cu bara deasupra + x37 cu bara deasupra + 4x2 cu bara deasupra = 1249 cat este x va rog urgent

Answer 1

12X + 13X + X37 + 4X2 = 1249 1×100+2×10+X×1 + 1×100+3×10+X×1 + X×100+3×10+1×7 +4×100+X×10+2×1 =1249 100+20+X+100+30+x +100×X+30+7+400+10×X+2 =1249 600+80+9+ 112×X = 1249 689+ 112×X = 1249 | - 689 112 × X = 560 | :112 X = 5

Answer 2

100+20+x+100+30+x+100x+30+7+400+10x+2=1249

689+112x=1249

112x=560

x=4