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Mathematics 14 Online
OpenStudy (anonymous):

Does anybody here know how to do the distributive property

OpenStudy (anonymous):

Whats the problem?

jigglypuff314 (jigglypuff314):

distributive property: a(b+c) = ab + ac and ab + ac = a(b+c)

OpenStudy (anonymous):

5(j+7) +8(j-6) ^^

jigglypuff314 (jigglypuff314):

so the 5(j+7) part would be (5)(j) + (5)(7) and the 8(j-6) part would be (8)(j) - (8)(6)

jigglypuff314 (jigglypuff314):

so simplify (5)(j) + (5)(7) + (8)(j) - (8)(6)

OpenStudy (anonymous):

Unfortunately I don't know how to do that

jigglypuff314 (jigglypuff314):

(5)(j) = 5 times j = just 5j (5)(7) = 5 time 7 = (8)(j) = 8 times j = just 8j (8)(6) = 8 times 6 =

OpenStudy (anonymous):

Thanks :)

jigglypuff314 (jigglypuff314):

you're welcome :)

OpenStudy (anonymous):

So would the answer be 5j+35+8j-48 ?

jigglypuff314 (jigglypuff314):

then you can simplify even more... look at it this way: 5j + 8j + 35 - 48

OpenStudy (anonymous):

So, that's the final answer ?

jigglypuff314 (jigglypuff314):

well you can simplify 35 - 48 = and (5 + 8)j =

OpenStudy (anonymous):

35 -48 would be -13 and (5+8)j= 13 j

jigglypuff314 (jigglypuff314):

yep :) so 13j - 13

OpenStudy (anonymous):

1j

OpenStudy (anonymous):

Or would it be just 1

jigglypuff314 (jigglypuff314):

not quite :) keep in mind that numbers with variables attached to them cannot be added to another number without the same variable attached so it would just be 13j - 13

OpenStudy (anonymous):

Oh now I get it :)

OpenStudy (anonymous):

Would the answer to -6+5(1+r) be -1+r

jigglypuff314 (jigglypuff314):

not quite, you would use the distributive property so -6+5(1+r) = -6 + 5 + 5r ^ and -6 + 5 =

OpenStudy (anonymous):

-1

jigglypuff314 (jigglypuff314):

yes, so -6+5(1+r) would equal -1 + 5r

OpenStudy (anonymous):

Thanks

jigglypuff314 (jigglypuff314):

you're welcome :)

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