Question

Determine os zeros sas seguintes funçoes do 1° grau:
A) - 2 x + 10 =
B) - 3 x - 6 =
C) x + 6 =
D) - 3 x + 3 =
E) - 5 x + 3 =

Answer 1

A) - 2 x + 10 =

-2x=-10

x=-10/-2

x=5

B) - 3 x - 6 =

-3x=6
x=6/-3
x=-2

C) x + 6 =

x=-6

D) - 3 x + 3 =

-3x=-3
x=-3/-3
x=1

E) - 5 x + 3 = 

-5x=-3
x=-5/-3