Question

Afla x apartine R din :
a) 2-x/2=3+x/2+4
b) 16x+2/9-x+1/3=-x+1
c) 4x-x+1/6=2x/6-1/6

Answer 1

a) 2= 3 + x/2+x/2 +4
2= 3+x+4
2=7+x
x= -5