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

Question

0,2t+1,7t-0,54=0,22
ПЛИЗЗЗ

2)5,6z-2z-0,7z+2,65=7

Answer 1

1) 0,2t+1,7t-0,54=0,22
     1,9t=0.76
      t= 0,4

Comments

2) 2,9z=4.35

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z=1?5

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z=1,5*

Answer 2

0,2т+1,7т-0,54=0,22
1,9т-0,54=0,22
1,9т=0,22+0,54
1,9т=0,76
т=0,76:1,9
т=0,4

5,6z-2z-0.7z+2.65=7
2.9z=4.35
z=1.5