Question

x * 1,2 + x* 1,8= 45

Answer 1

x * 1,2 + x* 1,8= 45

x * (1,2+1,8)=45

x * 3 = 45

x =45:3

x = 15

Answer 2

x*(1.2+1.8)=45

x*3=45

x=45:3

x=15

Answer 3

x * 1,2 + x* 1,8= 45

x * (1,2+1,8)=45

x * 3 = 45

x =45:3

x = 15

Answer 4

x * 1,2 + x* 1,8= 45

x * (1,2+1,8)=45

x * 3 = 45

x =45:3

x = 15