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Mathematics 27 Online
OpenStudy (anonymous):

am i correct @ivettef365

OpenStudy (anonymous):

OpenStudy (ivettef365):

you subtracted the variables, but both are negative so you need to add and keep the negative sign

OpenStudy (anonymous):

ok thanks

OpenStudy (anonymous):

11.6+-6x?

OpenStudy (ivettef365):

you need to add -3.2 x + (-9.2x) so what is 3.2 + 9.2 = ??

OpenStudy (anonymous):

12.4

OpenStudy (jhannybean):

\[\large 2.2 - 3.2x +9.4 -9.2x \]\[\large (2.2 + 9.4) -( 3.2x + 9.2x)\]

OpenStudy (ivettef365):

correct, and keep the negative sign, so it would be -12.4x + 11.6

OpenStudy (anonymous):

@ivettef365 is this correct

OpenStudy (ivettef365):

first combine like terms, so you have 5.7m - 34 = 1.4m -21.1 so keep variables on one side and integers on the other as follows:

OpenStudy (ivettef365):

5.7m - 1.4m = -21.1 + 34 the numbers that I switch, needs to have the sign change, do you see it

OpenStudy (anonymous):

the first one?

OpenStudy (anonymous):

i have to hurry im timed

OpenStudy (ivettef365):

I'm not supposed to give you the answer, I could just help you solve the problem, now can you do the subtractions

OpenStudy (anonymous):

i know you cant

OpenStudy (anonymous):

4.3?

OpenStudy (ivettef365):

ok, good so you have 4.3m = -21.1 + 34 now do the other subtraction

OpenStudy (anonymous):

12.9

OpenStudy (ivettef365):

good, so you have 4.3m = -12.9

OpenStudy (anonymous):

3

OpenStudy (anonymous):

?

OpenStudy (ivettef365):

correct it is 3

OpenStudy (anonymous):

is this correct

OpenStudy (anonymous):

?

OpenStudy (ivettef365):

it is incorrect, should be 2.8

OpenStudy (anonymous):

and this?

OpenStudy (ivettef365):

you divide it, but you are missing an 8, should be 415.58

OpenStudy (anonymous):

thank you sooooo much

OpenStudy (ivettef365):

yw :)

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