Como podemos ajudar?

vchamp44

vchamp44 comentou, 28 de fevereiro de 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 comentou, 28 de fevereiro de 2018 16:07
Yes. I agree. That would be a great improvement.
vchamp44 criou uma publicação, 26 de fevereiro de 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? ...
1. Comunidade
2. SAT Questions and Feedback
vchamp44 comentou, 19 de dezembro de 2017 23:21
Where do I sign?
vchamp44 comentou, 18 de dezembro de 2017 18:27
Yes. This needs to be a thing!