4y+5x=15 x=8y+3 I am in Algebra 1 and kind of stuck on this problem. Can anyone help me out

asked Oct 1, 2016 203k views

5 votes

4y+5x=15

x=8y+3

I am in Algebra 1 and kind of stuck on this problem. Can anyone help me out

by Pikk

7.3k points

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4y+5x=15x=8y+3

4y+5*(8y+3)=15

4y+40y+15=15

44y=0

y=0

x=8y+3

x=8*0+3

x=3

ReedD answered Oct 2, 2016

by ReedD

8.1k points

0 votes

⇒
$4y+5x=4y+5\cdot(8y+3)=4y+40y+15=44y+15$

44y+15=15

⇒

⇒
$\boxed {y=0}$

$x=8\cdot0+3$
$\boxed { x=3 }$

Anya Hope answered Oct 5, 2016

7.8k points

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