Răspuns:
a) 4x+4-3=17
4x+1=17
4x=17-1
4x=16=>x=16/4=>x=4
b)14x+21-15=34=> 14x+6=34=>14x=28=>x=2
c)18x+12-11=73=> 18x+1=73=>18x=72=>x=4
d)10x-15+1=26=>10x-14=26=>10x=40=>x=4
e)7+9x+18=-34=> 9x+25=-34=>9x=-59=>x=-59/9
f)3x=-28=>x=-28/3
g)2x+4-8=-1=>2x-4=-1=>2x=3=>x=3/2
h)4+2x+6=-16=>2x+10=-16=>2x=-26=>x=-13
Sper ca este bine:)
