Question

уравнение а) 0,2t+1,7t-0,54=0,22 б) 5,6z-2z-0,7+2,65=7

Answer 1

а)0.2t+1.7t-0.54=0.22

1.9t=0.22+0.54

1.9t=0.76

t=0.76:1.9

t=0.4

б)5.6z-2z-0.7z+2.65=7

2.9z=7-2.65

2.9z=4.35

z=4.35:2.9

z=1.5

Answer 2

0,2t+1,7t-0,54=0,22

0,2t+1,7t=0,22+0,54

1,9t=0,76

t=0,4