Respuesta :

Answer:

4, 5.6, 4.5

Step-by-step explanation:

a:

5x + 2 = 22

5x = 20

x = 4

b:

2(5x-3) = 50

10x - 6 = 50

10x = 56

x = 5.6

c:

5(2x + 1) = 50

10x + 5 = 50

10x = 45

x = 4.5

asmaNasr

Step-by-step explanation:

[tex]for \: a \\ 5x + 2 = 22 \\ 5x = 22 - 2 \\ 5x = 20 \\ x = 4 \\ for \: b \\ 2(5x - 3) = 50 \\ 10x - 6 = 50 \\ 10x = 56 \\ x = 5.6 \\ [/tex]

[tex]for \: c \\ 5(2x + 1) = 50 \\10x + 5 = 50 \\ 10x = 45 \\ x = 4.5[/tex]