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
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]