Question

AJUTAȚI-MĂ VA ROG DAU COROANA
​

Answer 1

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:)