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Mathematics 11 Online
OpenStudy (anonymous):

x = –12. 3x – 17

OpenStudy (skullpatrol):

any ideas?

OpenStudy (texaschic101):

what are you asking ?

OpenStudy (texaschic101):

oh....sub -12 in for x

OpenStudy (ryguy):

it should be -53

OpenStudy (anonymous):

Evaluate the expression when

OpenStudy (anonymous):

what about this one?? t = –6.4 and u = –2.8. t – 4u

OpenStudy (skullpatrol):

find the value of the expression by replacing the variable by the number

OpenStudy (ryguy):

-6.4 - 11.2

OpenStudy (ryguy):

-17.6

OpenStudy (anonymous):

-4.8..?

OpenStudy (ryguy):

-17.6 is the answer

OpenStudy (skullpatrol):

stop just giving the answer

OpenStudy (anonymous):

that was wrong

OpenStudy (ryguy):

oh. sorry. skul patrol takes over now.

OpenStudy (skullpatrol):

you solve it, now that i showed you how

OpenStudy (skullpatrol):

find the value of the expression by replacing the variable by the number

OpenStudy (anonymous):

its 4.8

OpenStudy (ryguy):

oops i see what i did wrong. you were on the right track the first time.

OpenStudy (anonymous):

ugg lol well i made an 80

OpenStudy (anonymous):

thanks guys(:

OpenStudy (ryguy):

so multiply negative 2.8 by 4

OpenStudy (skullpatrol):

thanks for trying to understand

OpenStudy (ryguy):

and then replace that with 4u then take - 6.4 and replace that with "t" then try the equation again

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