The solution equations of X + 32 = 76 and x-4 = 12 and x-1.8 = 5 There must be a process to solve the equation

The solution equations of X + 32 = 76 and x-4 = 12 and x-1.8 = 5 There must be a process to solve the equation

x+32=76
x=76-32
x=44
x-4=12
x=12+4
x=16
x-1.8=5
x=5+1.8
x=6.8