Question

resolva as seguintes equação
A) 8x-9=2x+15
B)5x+2 < 3x+12
C) 8 (x-3)+2 (5-x)=-X
D)-2 (x-5)-3 (2x+7)> 10 -X
E)(x+1)/2+(x+2)/3=X
F) 8x/5 <12+5x/2
G) 2 (-2x+3)-5 (2-x)> 3 (2x+3)
H) x-[5-(7-x)]= -(x+6)+2x
I) 3y/8-5/6=y/3-5/2

Answer 1

A)8x-2x=15+9
6x=24

24
----
6

Answer 2

C) 8(x-3)+2(5-x)=-x
8x-24+10-2x=-x
8x-2x+x=24-10
7x=14
x=14/7
x=2