oblicz równanie: x * 5,5 + (1200-x) * 11 = 350
oblicz równanie:
x * 5,5 + (1200-x) * 11 = 350
x*5,5+(1200-x)*11 = 350 5,5x+13200-11x = 350 -5,5x+13200 = 350 13200-350 = 5,5x 5,5x = 12850 |:5,5 x = 2336 i 4/11
x×5,5+(1200-x)×11=350 5,5x+13200-11x=350 -5,5x=350-13200 -5,5x=-12850 x=12850:5,5 x=2336⁴/₁₁
x * 5,5 + (1200-x) * 11 = 350 5,5x+13200-11x=350 -5,5x=350-13200 -5,5x=-12850 x=128500/55 x=2336i20/55 x=2336 i4/11