1.-9х+45-16+5х= -4х+29
2. -0.8t-1.4+2t-16= 1,2t-17,4
3. -2r+9s+6s-2r= -4r+15s
4. 17-1,2v+4,8-2v= 21,8+3,2v
1.-9х+45-16+5х= -4х+29
2. -0.8t-1.4+2t-16= 1,2t-17,4
3. -2r+9s+6s-2r= -4r+15s
4. 17-1,2v+4,8-2v= 21,8+3,2v