Question

Solve for s.



2/3s+5/6s=21

Answer 1

s=14

Explanation:

Let's first get rid of denominators by multiplying both sides by 6. Then it's simply a matter of adding up what's left and simplifying.

`6(\frac23s+\frac56s) = 6(21)\\4s+5s=126\\9s=126 \rightarrow s = \frac{126}9 = 14`

Answer 2

s=14

Explanation: