Question

b)8x+4x-8=0
c)16x-8x+5=0
d)10x-3x-5=0
e)4x+2x+3x=0
f)12x-5x+4=0 ​

Answer 1

b)8x+4x-8=0
12x-8=0
12x=8
x=8/12 (reduz a fração com 4)
x=2/3


c)16x-8x+5=0
8x+5=0
8x=-5
x=-5/8

d)10x-3x-5=0
7x-5=0
7x=5
x=5/7

e)4x+2x+3x=0
9x=0
x=0

f)12x-5x+4=0
7x+4=0
7x=-4
x=-4/7