Уравнение 1)5,6x-2x-0,7x+2,65=7 2)2,136:(1,9-x)=7,12

Question

Уравнение
1)5,6x-2x-0,7x+2,65=7
2)2,136:(1,9-x)=7,12

Answer 1

1) 5,6x-2x-0.7x=7-2.65
    2.9x=4.35
    x=1.5

2) (1.9-x)=2.136:7.12
     1.9-x=0.3
      x=1.6

Comments

не дорешал :

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я?

Answer 2

1) 5.6x-2x-0.7x+2.65=7
2.9x=4.35
x=1.5
2) 2.136:(1.9-x)=7.12
2.136=7.12(1.9-x)
2.136=13.528-7.12x
7.12x=11.392
x=1.6