Question

1.3z+1.5=5.4

Answer 1

You will first subtract 1.5 from both sides.

1.3z + 1.5 = 5.4
- 1.5 -1.5
--------------------
1.3z = 3.9 Then divide.
/1.3 /1.3
------------
z = 3

Answer 2

1.3z = 5.4 - 1.5
1.3z = 3.9
z= 3.9/1.3
z=3