решите уравнение 10-7x=7-x , t+6,8=9t+10, 1+2,6z=6+3z

10-7х=7-х-7х+х=7-10-6х=-3х=2t+6,8=9t+10t-9t=-6,8+10-8t=3,2t=0,41+2.6z=6+3z2.6z-3z=6-1-0,4z=5z=-12.5