Question

The sum of z and 2.5 is the same as the 5.2 more than 3.2z. Find z.

Answer 1

z + 2.5 = 5.2 + 3.2z

10z + 25 = 52 + 32z

25 - 52 = 32z - 10z

-27 = 22z

-27 / 22 = z

z = -1 and 5 / 22

or

z = -1.227