9+13 y=35 +26y ; 6s +(3s-2)=14 ;8y-(7-142)=51 ;(6x+1)-(3-2x)=14 ; (6-2c)+4=-5c-3

9+13у=35+26у13у-26у=35-9-13у=26у=-26s+(3s-2)=146s+3s=14+29s=16s=16\9=1 7\9(6x+1)-(3-2x)=146x+1-3+2x=148x-2=148x=16x=2(6-2c)+4=-5c-3-2c+5c=-3-6-43c=-13c=-13\3=-4 1\3