Seudónimo Seudónimo

25-04-2021
Mathematics

contestada

Solve the system of equations.
2r+3s=-5
3r+5s=-9
Type an ordered pair

Respuesta :

soccerstarlucio soccerstarlucio

27-04-2021

Answer:

2r + 3s= 9 <=> -6r -9s = -27;

3r + 2s= 12 <=> 6r + 4s = 24;

=> 0*r -5*s = -3 => s = 3/5;

2*r + 3*(3/5) = 9<=> 10*r + 9 = 45 <=> 10*r = 36 => r = 18/5;

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