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Mathematics 6 Online
OpenStudy (anonymous):

a/4.2-8=-1 ?

OpenStudy (anonymous):

?

OpenStudy (saifoo.khan):

a = 7*4.2

OpenStudy (saifoo.khan):

try it now!

OpenStudy (anonymous):

= 29.4

OpenStudy (saifoo.khan):

And he's right^

OpenStudy (anonymous):

yes thanks .

OpenStudy (anonymous):

what about -9d+15=-8d-2 ?

OpenStudy (anonymous):

d=17

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