Question

01. Resolva as seguintes equações, sendo U = R. a) 3x + 5 =23 b) 5x - 1 = 14 c) 5x - 12 = 3x d) 4x - 5 = 2x e) 2x - 1 = 9 03x + 1 =-5 g) 5x = 12 + 2x h) 4x - 1 = 2x preciso das contas​

Answer 1

Resolvendo:

a)

$3x+5=23\\3x=18\\x=6$

b)

$5x-1=14\\5x=15\\x=3$

c)

$5x-12=3x\\2x=12\\x=6$

d)

$4x-5=2x\\2x=5\\x=2,5$

e)

$2x-1=9\\2x=10\\x=5$

f)

$3x+1=-5\\3x=-6\\x=-2$

g)

$5x=12+2x\\3x=12\\x=4$

h)

$4x-1=2x\\2x=1\\x=0,5$

Espero ter ajudado!

Desculpe qualquer erro.