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Mathematics 8 Online
OpenStudy (anonymous):

solve for x, where x is a real number sqrt(5x+10)=sqrt(7x-12)

hartnn (hartnn):

square both sides, what do u get ?

OpenStudy (anonymous):

5x+10=7x-12

OpenStudy (anonymous):

combine like terms?

hartnn (hartnn):

yup

OpenStudy (anonymous):

derp i knew that i forgot thanks

hartnn (hartnn):

so what u got for x ?

OpenStudy (anonymous):

x=11

OpenStudy (anonymous):

when would it be 'no solution'

OpenStudy (anonymous):

if x = 0?

hartnn (hartnn):

if you get a negative value inside square root

OpenStudy (anonymous):

oic

hartnn (hartnn):

yup, x=0 would make 7x-12 negative

OpenStudy (anonymous):

sweet i understand thanks @hartnn

hartnn (hartnn):

welcome ^_^

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