How do you solve 4z-9.81=0.215?

Jul 14, 2017

See below.

Explanation:

Let's add $9.81$ to both sides.

$4 x = 10.025$

Dividing both sides by $4$,

$x = \frac{10.025}{4} = 2.50625$ or $2.51$ when rounded to the hundreth digit.