Question

Resolva as equações.

a) 3x =15
b) 2x =14
c) 4x= 12
d) 7x = 21
e) 13x=13
f ) 9x = 9
g) - 40 = - 5 x
h) 3 x - 4 = 2 x + 8
i) 7 x - 2 + 4 = 10 + 5 x
j) 15 = -3 x =
l) -2 x = - 10

Answer 1

A) x=15/3
x=5
B) x= 14/3
x=7
C) x= 12/4
x=3
D) x= 21/7
x=3
E) x = 13/13
x=1
F) x= 9/9
x= 1
G) x= -40/-5
x= 8
H) ...
J) x= 15/-3
x= -5
L) x= -10/-2
x= 5