810.Решите уравнение: 3,557+х/2=4 все пункты

3,557+x=4*23,557+x=4∗2

3,557+x=83,557+x=8

x=8-3,557x=8−3,557

x=4,443x=4,443

2)\;\tt\displaystyle\frac{x-0,731}{3}=52)

3

x−0,731

=5

x-0,731=5*3x−0,731=5∗3

x-0,731=15x−0,731=15

x=15+0,731x=15+0,731

x=15,731x=15,731

\begin{gathered}3)\;\tt\displaystyle\frac{12,392+x}{5}=2,365+2,635\\\end{gathered}

3)

5

12,392+x

=2,365+2,635

\tt\displaystyle\frac{12,392+x}{5}=5

5

12,392+x

=5

12,392+x=5*512,392+x=5∗5

12,392+x=2512,392+x=25

x=25-12,392x=25−12,392

x=12,608x=12,608

\begin{gathered}4)\;\tt\displaystyle\frac{125,95-x}{2.65+4,35}=6\\\end{gathered}

4)

2.65+4,35

125,95−x

=6

\tt\displaystyle\frac{125,95-x}{7}=6

7

125,95−x

=6

125,95-x=6*7125,95−x=6∗7

125,95-x=42125,95−x=42

x=125,95-42x=125,95−42

x=83,95x=83,95

Пошаговое объяснение:

3557+x/2=4

7114+x=8

x=8-7114

x=7106

3557+x/2=4

Вот надеюсь