Question

A)Y= 2x igualar a 0
B)Y= 2x+1
C)Y= 3x+1
D)Y= -3x-1
E)Y= 2x+2
F)Y= -2x-2
G)Y=x+4
H)Y= -X-4

Answer 1

a)

$2x = 0 \\ x = \frac{0}{2} \\ x = 0$

b)

$2x + 1 = 0 \\ 2x = - 1 \\ x = - \frac{1}{2}$

c)

$3x + 1 = 0 \\ 3x = - 1\\ x = - \frac{1}{3}$

d)

$- 3x - 1 = 0 \\ 3x = - 1 \\ x = - \frac{1}{3}$

e)

$2x + 2 = 0 \\ 2x = - 2 \\ x = - \frac{2}{2} \\ x = - 1$

f)

$- 2x - 2 = 0 \\ 2x = - 2 \\ x = - \frac{2}{2} \\ x = - 1$

g)

$x + 4 = 0 \\ x = - 4$

h)

$- x - 4 = 0 \\ x = - 4$