Question

Can some explain steps​

Answer 1

r = 3.

Explanation:

16 = 10 + √(3r + 27)

√(3r + 27) = 6

Square both sides:

3r + 27 = 36

3r = 36 - 27 = 9

r = 3.

Check the result:

Left side of the equation = 16

Right side = 10 + √(9 + 27)

= 10 + √36 = 16

Answer 2

Answer: r = 9

Given:

`16=10+√(3r+27)`

Explanation:

`16-10=√(3r+27)`

`6=√(3r+27)`

Taking square on bothsides, we get

`36=3r+27`

`3r=36-27`

`r=(9)/(3)`

`r=3`