Решите уравнения 1. 3.23х+0.74=2-0.97х 2. -5•(1-х)=2•(х-8)

Question

Решите уравнения
1. 3.23х+0.74=2-0.97х
2. -5•(1-х)=2•(х-8)

Answer 1

1) 3.23x+0.97x=2-0.74
4.2x=1.26
x=1.26/4.2
x=0.3
2) -5+5x=2x-16
5x-2x=-16+5
3x=-11
x=-11/3

Comments

А первый?

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3.23x+0.97x=2-0.74
4.2x=1.26
x=1.26/4.2
x=0.3