clemensiamathias09
clemensiamathias09 clemensiamathias09
  • 18-06-2020
  • Mathematics
contestada

use substitution method
3x +4y+175x-2y=11​

Respuesta :

09pqr4sT
09pqr4sT 09pqr4sT
  • 18-06-2020

[tex]3x +4y+175x-2y=11[/tex]

[tex]4y-2y+175x+3x=11[/tex]

[tex]2y+178x=11[/tex]

[tex]2y=11-178x[/tex]

[tex]y=\frac{11-178x}{2}[/tex]

[tex]y=-89x+\frac{11}{2}[/tex]

[tex]178x=-2y+11[/tex]

[tex]x=\frac{-2y+11}{178}[/tex]

[tex]x=\frac{-1}{89} y+\frac{11}{178}[/tex]

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