a) x+12,45=35,86
x=35,86-12,45
x=23,41
b)68,3-x=70,91
x=68,3-70,91
x=-2,61
a) x+12,45 = 35,86
x = 35,86-12,45
x = 23,41
b) 68,3-x = 70,91
x = 68,3-70,91
x = -2,61
a) x +12,45 = 35,86
x = 35,86 - 12,45
x = 23,41
b) 68,3 - x = 70,91
x = 70,91 - 68,3
x = 2,61
a) x+12,45 = 35,86
x = 35,86-12,45
x = 23,41
b) 68,3-x = 70,91
x = 68,3-70,91
x = -2,61