Seudónimo Seudónimo
  • 01-03-2015
  • Mathematics
contestada

solve: y=-3x+5 5x-4y=-3

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Аноним Аноним
  • 01-03-2015
Use y=-3x+5 on this equation 5x-4y=-3

5x-4(-3x+5) = -3
5x+12x-20 = -3
17x=17
x=1

y=-3x+5
for x=1;
y=-3+5
y=2
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