Question

Am nevoie de ajutor cu acest exercitiu, va rog.
Voi da coroana primului raspuns (daca este complet).
Mulțumesc!​

Answer 1

Răspuns:

a) 5x+1=16 5x=16-1 5x=15 x=15/5 x=3

b)14-3x=31 -3x=31-14 -x=17 x=-17

e) -2x+16=7x-3 -2x-7x=-16- 3 -9x=-19 x=19/9

C) -2x+6=14 -2x=14-6 -2x=8 x=-8/2=-4

d)x+10=17-3x 4x=17-10 x=7/4

f)7-3x=5+2x -3x-2x=5-7 -5x=-2 x=2/5

g) 7x+5-x=14 6x=14-5 6x=9 x=9/6 x= 3/2

h) 4x+13=-x+25+6x 4x+x-6x=25-13 -x=12 x=-12