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OpenStudy (anonymous):
Solve the system: 22x-19y=28. 55x-29y=107.
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OpenStudy (amistre64):
cramer!!
OpenStudy (amistre64):
22x-19y=28 55x-29y=107 y = \(\cfrac{107(22)-55(28)}{-29(22) - 55(-19)}\) x = \(\cfrac{107(-19)-28(-29)}{55(-19)- 22(-29) }\)
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