Question

determine x e y, sendo r, s, teu retas paralelas.​

Answer 1

Resposta:

Ola bom dia

segue a resolução

Answer 2

a)

x/4 = 3/2

2x = 12

x = 6

b)

x/4 = 21/12

12x = 84

x = 84/12

x = 7

c)

x/14 = 9/12

12x = 126

x = 126/12

x = 10,5

d)

x/12 = 8/9

9x = 96

x = 96/9

x = 32/3

e)

x/4 = 9/18

x/4 = 1/2

2x = 4

x = 4/2

x = 2

e)

$\frac{3x + 1}{18} = \frac{5x - 2}{15} \\ 45x + 15 = 90x - 36 \\ 90x - 45x = 15 + 36 \\ 45x = 51 \\ x = \frac{51}{45} \\ x = \frac{17}{15}$

f)

$\frac{x - 5}{6} = \frac{x + 1}{24} \\ 6x + 6 = 24x - 120 \\ 24x - 6x = 6 + 120 \\ 18x = 126 \\ x = \frac{126}{18} \\ x = 7$

g)

$\frac{8}{2x - 6} = \frac{12}{x + 1} \\ 8x + 8 = 24x - 72 \\ 24x - 8x = 8 + 72 \\ 16x = 80 \\ x = \frac{80}{16} \\ x = 5$