1)34+(x-13,6)=74,8
34 + x – 13.6 = 74.8
x = 74,8 + 13,6 – 34
x = 54.4
2)18*(x-22,4)=59,4
18x – 403.2 = 59.4
18x = 59,4 + 403,2
18x = 462.6
x = 25.7
1)34+(x-13,6)=74,8
34 + x – 13.6 = 74.8
x = 74,8 + 13,6 – 34
x = 54.4
2)18*(x-22,4)=59,4
18x – 403.2 = 59.4
18x = 59,4 + 403,2
18x = 462.6
x = 25.7