LaurenAshley1201
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LaurenAshley1201
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\[\sqrt{2x+5}\] = 7
RyanL.
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square both sides
RyanL.
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what do you get then?
LaurenAshley1201
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ohh okay i think i can solve it now hang on so yalll can check it
LaurenAshley1201
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(2x+5) =7^2
-5 -5
2x=44
/2 /2
x=22?
RyanL.
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Yup good job
ironictoaster
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Yep.
LaurenAshley1201
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thanks everyone :)
ironictoaster
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@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.
RyanL.
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You should only do that to check your work not to get answer.
RyanL.
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You can't use wolfram in test so don't rely on it.
ironictoaster
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@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!