Помигите решить!!! 4,8d+5,91+13,2d=150 (2,61-4x):0,03+4,6=90
Зашибись!!!!!!!!!!!!!1
4,8d+5,91+13,2d=150 18d=150-5.91 18d=144.09 d=144.09:18 d=8.005 (2,61-4x):0,03+4,6=90 (2.61-4х):0.03=90-4.6 (2.61-4х):0.03=85.4 2.61-4х=85.4*0.03 2.61-4х=2.562 -4х=2.562-2.61 -4х=-0.048 х=-0.048:(-4) х=0.012