wrigcath
wrigcath
23-01-2015
Mathematics
Answered
need help with problem can you help 5x+3y=22 y=2x
Answer :
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
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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]
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