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OpenStudy (anonymous):
-2(a-2b-9b) how do I simpfly
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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
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OpenStudy (anonymous):
ok here we go again 2/3 t -5=1 what is the solution t=?
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