The system Ax+By=C Dx+Ey=F has the solution (2,-3) . A, B,C, D,E and F are non-zero numbers. Select all of the systems of equations with the same solutions

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

The system of equations graphed below has how many solutions?

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