Comment pouvons-nous vous aider ?

vchamp44

vchamp44 a ajouté un commentaire, 28 février 2018 16:09
Gotcha. So were dividing both sides by -12. I thought we were adding +12 to both sides to get b = 12.
vchamp44 a ajouté un commentaire, 28 février 2018 16:07
Yes. I agree. That would be a great improvement.
vchamp44 a créé une publication, 26 février 2018 22:33
Weird answer for "Solving systems of linear equations" in SAT math section

This was the math problem. 1.5a - 4.5b = 3(a + b) 5.5b = 5(b - a) + 2.5a Consider the system of equations above. If (a,b) is the solution to the system, then what is the value of b - a? ...
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vchamp44 a ajouté un commentaire, 19 décembre 2017 23:21
Where do I sign?
vchamp44 a ajouté un commentaire, 18 décembre 2017 18:27
Yes. This needs to be a thing!