5) (50-x) + 7,16 = 8,13250 - x + 7,16 = 8,13257,16 - x = 8,132-x = 8,132 - 57,16-x = -49,028x = 49,028
6) 100,3 - (9,2 - x) = 97,64100,3 - 9,2 + x = 97,6491,1 + x = 97,64x = 97,64 - 91,1x = 6,54
5) (50-x) + 7,16 = 8,132
50 - x + 7,16 = 8,132
57,16 - x = 8,132
-x = 8,132 - 57,16
-x = -49,028
x = 49,028
6) 100,3 - (9,2 - x) = 97,64
100,3 - 9,2 + x = 97,64
91,1 + x = 97,64
x = 97,64 - 91,1
x = 6,54