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Mathematics 9 Online
OpenStudy (anonymous):

Solve for x if (5)/(4x+9)+(1)/(x)=(2)/(x)

OpenStudy (anonymous):

please help me

OpenStudy (anonymous):

take lcm and solve

OpenStudy (anonymous):

so just x?

OpenStudy (anonymous):

is the lcm 4x or x?

OpenStudy (anonymous):

lcm would be x(4x+9)

OpenStudy (anonymous):

so would i just multiply both sides by that?

OpenStudy (anonymous):

take the lcm at denominator multiple x with 5 and 1 with 4x+9

OpenStudy (anonymous):

i got 5x+4x+9=2(4x+9)

OpenStudy (anonymous):

x=9

OpenStudy (anonymous):

yes its write now solve for x

OpenStudy (anonymous):

now would the domain be {x|x cannot equal 9} ?

OpenStudy (anonymous):

i think it will be x=9

OpenStudy (anonymous):

for the domain?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

i have to write it this way though {x|x cannot equal a number}

OpenStudy (anonymous):

you know the = with the / going thru it

OpenStudy (anonymous):

if x = 9 it cannot be equal to any number

OpenStudy (anonymous):

so would it be all real numbers or x cannot equal 9?

OpenStudy (anonymous):

all real numbers except 9 {x| x cannot be equal to R except 9}

OpenStudy (anonymous):

gotcha thanks

OpenStudy (anonymous):

ok then

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