Question

Rezolvaţi in Z ecuaţile :
a) x+(-2)=-8
b) x-(-3)=-5
c) 2x-3=-1
d) 3x+1=-8
e) 5x-7=-3
f) -2x+3=8
vā rog ajutațimă

Answer 1

a)x-2=-8 => x=-8+2=-6
b)x+3=-5 => x=-8
c) 2x=-1+3 => x=2/2=1
d) 3x+1=-8 => x=-9/3=-3
e) 5x-7=-3 => x=4/5
f) -2x=5 => x=-5/2