wrigcath wrigcath
  • 23-01-2015
  • Mathematics
contestada

need help with problem can you help 5x+3y=22 y=2x

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Аноним Аноним
  • 23-01-2015
5x+3y=22    y=2x
5x+3(2x)=22
5x+6x=22
11x=22
x=2

y=2(2)
y=4
x=2 y=4
Answer Link
D3xt3R
D3xt3R D3xt3R
  • 23-01-2015
if y = 2x, let's replace it on  [tex]5x+3y=22[/tex]

[tex]5x+3*(2x)=22[/tex]

[tex]5x+6x=22[/tex]

[tex]11x=22[/tex]

[tex]\boxed{\boxed{x=2}}[/tex]

Therefore

[tex]y=2x[/tex]

[tex]y=2*2[/tex]

[tex]\boxed{\boxed{y=4}}[/tex]
Answer Link

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