Question

If 5x+13=31, what is the value of Root (5x+31)?

Answer 1

5x+13=31
5x=31-13
SO 5x = 18

than, 5x +31
=18+31
=49

and than root of 49 is...
√49 =7

so the value of root (5x+31) is 7.

Answer 2

Answer:

The value of $\sqrt{5x+31}$ is 7.

Step-by-step explanation:

The given equation is $5x+13=31$

We have to find the value of 5x.

$5x=31-13\\\therefore 5x=18$

put the value of 5x in $\sqrt{(5x+31)}$

$\sqrt{(18+31)} =\sqrt{49} \\=7$

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