a) -2m+7=m-6 b) 6-5x=2x-7 c) -5t+1=8-6t

a) -2m+7=m-6 -2m-m= -6-7 -3m = -13 m=4 i 1 /3 b) 6-5x=2x-7 -5x-2x= -7-6 -7x= -13 x= 1 i 6 /7 c) -5t+1=8-6t -5t+6t= 8-1 t= 7

a) -2m+7=m-6 -2m-m= -6-7 -3m = -13 m=4 i 1 /3 b) 6-5x=2x-7 -5x-2x= -7-6 -7x= -13 x= 1 i 6 /7 c) -5t+1=8-6t -5t+6t= 8-1 t= 7

a). -2m+7=m-6 -2m-m=-6-7 -3m=-13 /*(-1) 3m=13 /:3 m=3 1/3 b) 6-5x=2x-7 6+7=2x+5x 13=7x /:7 x=1 6/7 c) -5t+1=8-6t -5t+6t=8-1 t=7