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OpenStudy (yamyam70):
Help me please :) A + B = 100, 000 A - B = 1,100 What is A and B ?
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OpenStudy (danjs):
you can add the two equations together, the B variable drops out, +B - B = 0
OpenStudy (danjs):
2A = 101100
OpenStudy (yamyam70):
when we get A, that is the value for both equattions ?
OpenStudy (yamyam70):
i mean we can use any of the equation to get B right?
OpenStudy (danjs):
Yes, if there is a unique solution, then A and B will satisfy both
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OpenStudy (yamyam70):
Thanks!
OpenStudy (danjs):
welcome
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