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OpenStudy (anonymous):
Which answer best describes the solution to the equation 5z + 4 = 4 + 5z? A. one solution B. no solution C. an infinite number of solutions D. z = 20
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OpenStudy (igreen):
Subtract 5z to both sides..what's 5z - 5z?
OpenStudy (anonymous):
0 right?
OpenStudy (uri):
They get cancelled.
OpenStudy (anonymous):
So i would say B?
OpenStudy (igreen):
Yes..well your equation is 5z + 4 = 4 + 5z It's the same thing on both sides..therefore they're the same line..so infinitely many solutions.
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OpenStudy (igreen):
5z + 4 = 4 + 5z They're both 5z + 4.
OpenStudy (anonymous):
Okay so...C then
OpenStudy (igreen):
Yep.
OpenStudy (anonymous):
*?
OpenStudy (anonymous):
Thanks
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