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Mathematics 8 Online
OpenStudy (anonymous):

-x = -36?

OpenStudy (anonymous):

I don't know it it is -36. I'm not positve if I have the right answer.

OpenStudy (krabsen):

just multply it with -1

OpenStudy (anonymous):

is it 36?

OpenStudy (krabsen):

yes

OpenStudy (anonymous):

Can you help recheck my answer because I'm not sure if i did them right?

OpenStudy (krabsen):

yes if it dosnt take to long :)

OpenStudy (anonymous):

Ok, for -x + 3 = - 17 i got -20

OpenStudy (krabsen):

-x=-20 then multiply with -1 then x=20

OpenStudy (anonymous):

Can you help me on this one? -2x - 18 = 6(1 - 2x) + 4x

OpenStudy (krabsen):

yes

OpenStudy (krabsen):

-2x-18=6(1-2x)+4x -2x-18=6-12x+4x -2x=6-12x+4x+18 10x=6+4x+18 6x=6+18 6x=24 x=4

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