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Mathematics 31 Online
OpenStudy (parissfrance09):

Please Help will medal!!!! x + x + 2 + 2 + 2 2(x + 3) 2x + 22 4 + x + 2 + x 1) Write the expression that is NOT equivalent to 2x + 6. 2) Writing at least 2 sentences, explain how the your answer from question 1 could be corrected to make it equivalent to 2x + 6. 3) Create and solve an expression equivalent to 4x + 12.

OpenStudy (anonymous):

which one do you think isn't equivalent to 2x+6?

OpenStudy (parissfrance09):

I dont know :(

OpenStudy (anonymous):

ok, lets look at the first choice

OpenStudy (anonymous):

what is x+x?

OpenStudy (parissfrance09):

ok

OpenStudy (parissfrance09):

2x

OpenStudy (anonymous):

yep, and what is 2+2+2

OpenStudy (parissfrance09):

6x

OpenStudy (anonymous):

huh? there is no x value

OpenStudy (anonymous):

2+2+2=6

OpenStudy (anonymous):

so the first choice can be simplified to 2x+6

OpenStudy (parissfrance09):

thank you what about the rest and it says equivalent

OpenStudy (parissfrance09):

not equivalwn

OpenStudy (parissfrance09):

i have a lag sorry

OpenStudy (anonymous):

that's right, so we can rule out the first choice

OpenStudy (anonymous):

let's simplify the second choice 2(x + 3)

OpenStudy (parissfrance09):

2x / 6

OpenStudy (anonymous):

nope. multiply 2 into (x+3)

OpenStudy (parissfrance09):

i did 2 goes it to x none cause they are different terms and 2 times 3 is 6

OpenStudy (anonymous):

2 times x is 2x

OpenStudy (anonymous):

so it becomes 2x+6

OpenStudy (parissfrance09):

thats what i sai i said 2x/6

OpenStudy (anonymous):

2x+6 not 2x/6

OpenStudy (parissfrance09):

okay it looks like a divide sign

OpenStudy (anonymous):

ok, so we can rule out the second choice

OpenStudy (anonymous):

lets look at the third choice

OpenStudy (anonymous):

does 2x + 22 equal 2x+6?

OpenStudy (parissfrance09):

no

OpenStudy (anonymous):

that means 2x + 22 is not equivalent to 2x+6

OpenStudy (parissfrance09):

thank you

OpenStudy (anonymous):

That's the answer for question 1

OpenStudy (parissfrance09):

thats 2x + 2 to the power of 2

OpenStudy (parissfrance09):

npt 22

OpenStudy (anonymous):

The whole equation to the power of 2, or just the 2 to the power of 2

OpenStudy (parissfrance09):

just the 2

OpenStudy (anonymous):

ok, so what's 2^2?

OpenStudy (parissfrance09):

the last one is 6 + 2x right?

OpenStudy (parissfrance09):

thats 2x + 6

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

but what is 2^2?

OpenStudy (parissfrance09):

2x + 6

OpenStudy (parissfrance09):

thats a plus sign btw

OpenStudy (anonymous):

huh? no, i'm asking what is 2 to the power of 2 equal to

OpenStudy (parissfrance09):

6

OpenStudy (anonymous):

nope. It's the same as 2 times 2

OpenStudy (parissfrance09):

oh 4

OpenStudy (anonymous):

ya so what we have is 2x+4 for the third choice

OpenStudy (anonymous):

what can you do to 2x+4 to make it 2x+6?

OpenStudy (anonymous):

you add what to 2x+4 to make it 2x+6

OpenStudy (parissfrance09):

2

OpenStudy (anonymous):

that's right

OpenStudy (anonymous):

so for question 2 you can say that 2x+2^2 is the same as 2x+4. You add 2 to 2x+4 to get the desired 2x+6

OpenStudy (parissfrance09):

ok

OpenStudy (anonymous):

can you think of an equation for question 3?

OpenStudy (parissfrance09):

hold up

OpenStudy (parissfrance09):

no i mean 4x - 4^3

OpenStudy (parissfrance09):

or ^ 2

OpenStudy (anonymous):

nope. 4^2=16

OpenStudy (parissfrance09):

4x + 6^2

OpenStudy (anonymous):

There isn't a simple power that will give you 12

OpenStudy (anonymous):

6^2 is the same as 6x6 which equals 36

OpenStudy (parissfrance09):

4x+6 +6

OpenStudy (anonymous):

That works

OpenStudy (parissfrance09):

okay

OpenStudy (anonymous):

4(x+3) is another

OpenStudy (anonymous):

Then to solve 4x+6+6 just simplify it by adding the 2 six's

OpenStudy (parissfrance09):

thank you for your help i fanned and medal you

OpenStudy (anonymous):

no problem

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