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20-02-2015
Mathematics

Answered

4y+5x=15

x=8y+3

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

Verified Answer :

Anonymous Anonymous

20-02-2015

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

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

4y+40y+15=15

44y=0

y=0

x=8y+3

x=80+3

x=3

Answer Link

ValyRemus ValyRemus

20-02-2015

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

\(44y+15=15\) ⇒ \(44y=0\) ⇒ \(\boxed {y=0}\)

\(x=8\cdot0+3\) \(\boxed { x=3 }\)

Answer Link

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