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Mathematics 9 Online
OpenStudy (anonymous):

solve –2x + 1 ≤ –11

OpenStudy (goldphenoix):

We want to do it like a regular equation. We want to do inverse order of operation to solve for x. So we do addition first. How can we get rid of 1?

OpenStudy (anonymous):

subtract

OpenStudy (goldphenoix):

Subtract 1 by what number?

OpenStudy (anonymous):

-11?

OpenStudy (goldphenoix):

Subtract 1 by -11?

OpenStudy (anonymous):

yup

OpenStudy (goldphenoix):

Well. We want to get get rid of 1. So how can we get rid of 1 by using subtraction?

OpenStudy (goldphenoix):

As in, 1 - n = 0. What must n be?

OpenStudy (anonymous):

idk can you just tell me the answer please I have to pass this or I fail

OpenStudy (goldphenoix):

What number subtracted by 1 give you 0?

OpenStudy (goldphenoix):

Ohh. I see.

OpenStudy (goldphenoix):

Subtract 1 from both side* Not just -11. Alright. So you got it. -11 - 1 = ?

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