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Mathematics 19 Online
OpenStudy (anonymous):

9x-(x-9)

OpenStudy (anonymous):

can someone help me

OpenStudy (hexagon001):

8x-9

OpenStudy (abb0t):

distribute the negative sign first.

OpenStudy (abb0t):

@hexagon001 I think it's best if you guide them towards the correct answer rather than just giving it to them. That way, they learn the material.

OpenStudy (hexagon001):

sorry

OpenStudy (anonymous):

yes i want to know how to get it thx @hexagon001 but plz explain

OpenStudy (abb0t):

Start by distributing the negative sign in the parenthesis, @skburton0413

OpenStudy (abb0t):

Are you being asked to solve for "x" ?

OpenStudy (anonymous):

just simplify

OpenStudy (abb0t):

Yes. Then distribute the negative sign would be your first step. You should get: \[9x-x+9\]

OpenStudy (anonymous):

ohhh

OpenStudy (hexagon001):

ok here goes so.. distribute the minus sign with what is inside the brackets.. for example -(-x+1)=--x +-1=x-1

OpenStudy (anonymous):

lol i get how you guys received the answer

OpenStudy (abb0t):

Then, you would combine like terms. x is the same thing as saying 1x. except you don't usually put it. But there is a one in front.

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Thank you @abb0t and @hexagon001

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