Question

vaaaaa roooogggg
exercitiul 2&3
dau coroana
URGEEENNTTT!!!!!!!■
ÎMI TREBUIE ACUMM!!!!!!!!!!!!!!​

Answer 1

2)a:3x-4=x-12 《=》3x-x=-12+4 《=》2x=-8|:2 =》x=-4 (A)

b) A

c)F

3)a:x-3=-8 =》x=-8+3=-5 |=》a-3

b)2x+4=-20-x 《=》2x+x=-20-4 《=》3x=-24|:3 =》x=-8 =》b-1

c)-4x=36|:(-4) =》x=-9|=》c-2

d)x:(-3)=-1 《=》-x/3=-1|.(3) =》-x=-3|:(-1)=》x=3|=》d-4

e)18:(-x)=-9 《=》-18/x=-9|.x =》-18=-9x|:(-9)|=》x=2|=e-6