am i right?

4. Given: Ge(g)+O2(g)C(O2(g) Determine [O2] at equilibrium in the [G1]eq =0.50M, the [C1O2]eq=0.45M and the KC=1.50. kc=[Ge][02][GeO2]1.50=(0.50+x)(x)(0.45x)(0.50+x)(x)0.75+1.50x=0.45x0.450.451.50x+0.3=0.121.50x1.50x2.50.3=2.52.5x