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OpenStudy (anonymous):
Elimination. 15x - 10y = 200 -15x - 15y = 1350/17 -25y = 4750/17 how are they getting 4750/17 ???
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OpenStudy (anonymous):
Add both 15x-10y-15x-15y=200+(1350/17) -25y=4750/17
OpenStudy (anonymous):
200 + 1350/17 = 200/1 + 1350/17 = 3400/17 + 1350/17 common denominator = 4750/17 add numerators
OpenStudy (anonymous):
Thank you all
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