Question

Solve for z:

25z+85=90

z=
this confuses me and I need help ;-;

Answer 1

1/5 or 0.2

Explanation:

25z+85=90. subtract 85 from both sides. 25z=-5. divide by 25. z=1/5 or 0.2

Answer 2

z=1/5

Subtract 85 from both sides which gets you 25z=5.


Divide both sides by 25 which is z=5/25

Simplify which gives us the answer z=1/5.