6.2 - (x - 30.6)= 5.0309
X-30.6 = 6.2 -5.0309 x -30.6=1.1691 x= 1.1691+30.6 x=31.7691
Х-30.6=6.2-5.0309 Х-30.6=1.1691 Х=1.1691+30.6 Х=31.7691