Question 863813
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Hi
 5x+2y=21   |multiplying thru by -3 to  eliminate the y variable by adding the EQs
<u>-2x+6y=-34</u>
  -17x = -97
     x = 97/17,  y = -64/17
*[invoke cramers_rule_2x2 5,2,21,-2,6,-34]