1.05*(x-2)=10.5*0.7 1.05x+2.1=7.35 1.05x=7.35+2.1 1.05x=9.45 1.05x=9
1.05*(x-2)=10.5*0.7 х - 2 = 10.5*0.7 : 10.5 х - 2 = 0.7 х = 0.7 + 2 х = 2.7