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Mathematics 17 Online
OpenStudy (anonymous):

-3(t-7)-2(2t+1)=-2

OpenStudy (kc_kennylau):

remove the parentheses first, distribution rule

OpenStudy (anonymous):

-3t+21-4t-2=-2?

OpenStudy (kc_kennylau):

group the terms containing t together and the terms that don't together

OpenStudy (kc_kennylau):

commutative property

OpenStudy (anonymous):

-3t-4t+21-2=-2?

jigglypuff314 (jigglypuff314):

yes :) then add like terms

OpenStudy (anonymous):

-7t+19=-2?

OpenStudy (kc_kennylau):

Then put the 19 to the RightHandSide :)

OpenStudy (anonymous):

-7t=-21?

OpenStudy (kc_kennylau):

Then divide each side by -7

OpenStudy (anonymous):

t=3!

OpenStudy (kc_kennylau):

exactly

OpenStudy (anonymous):

yaaaay! lol thank you all so much! next question! lol

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