1)34+(x-13,6)=74,8; 2)18*(x-22,4)=59,4
1.34+(x-13.6)=74,8 34x-13.6=74.8 34x=74.8:13.6 34x=5.5 x=5.5:34 x=0:16 2)18*(x-22.4)=59.4 18x-22.4=59.4 18x=59.4:22.4 18x=2.6 x=2.6:18 x=0.14