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Mathematics 15 Online
OpenStudy (anonymous):

-2(a-2b-9b) how do I simpfly

OpenStudy (anonymous):

multiply it out so -2a + 4b + 18b = -2a + 22b

OpenStudy (anonymous):

wow thanks I am not good at this type of math

OpenStudy (anonymous):

ok next question determine weather -5 is it the solution of the equation 4x=-18? can some one help?

OpenStudy (anonymous):

plug in -5 for x. so 4 * -5 = -20 which is not -18. the answer is no

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

ok here we go again 2/3 t -5=1 what is the solution t=?

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