Question

Solve :)

Answer 1

\[\sqrt{2x+5}\] = 7

Answer 2

square both sides

Answer 3

what do you get then?

Answer 4

ohh okay i think i can solve it now hang on so yalll can check it

Answer 5

(2x+5) =7^2
-5 -5
2x=44
/2 /2
x=22?

Answer 6

Yup good job

Answer 7

Yep.

Answer 8

thanks everyone :)

Answer 9

@LaurenAshley1201 You can also use Wolfram Alpha as well, it will solve equations for you in seconds and will show you with steps on how to get your answer.

Answer 10

You should only do that to check your work not to get answer.

Answer 11

You can't use wolfram in test so don't rely on it.

Answer 12

@RyanL. Of course, it's just useful. I live in a different time zone from most people on here and sometimes nobody is online when I ask a question!