Question

ache os valores de x , nas seguintes expressões
a) 4x+1600=0
b) 5x=13+2
c) 8x-8=0

Answer 1

a)
4x+1600=0
4x = - 1600
x = - 1600/4
x = - 400

b)
5x=13+2
5x = 15
x = 15/5
x = 3

c)
8x-8=0
8x = 8
x = 8/8
x = 1

Answer 2

a) 4x+1600=0
4x=-1600
x=-1600/4
x= -400

b) 5x=13+2
5x=15
x=15/5
x= 3

c) 8x-8=0
8x=8
x=8/8
x= 1