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22-02-2018
Mathematics

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Substitution.

3x+2y=11

y=5x-1

Respuesta :

Kaikerscupcake Kaikerscupcake

22-02-2018

Hey there! :D

Substitute y for 5x-1.

3x+2y=11

y=5x-1

3x+2(5x-1)=11

3x+10x-2=11

13x-2=11

13x=13

x=1

Now, plug that in to find y.

y=5x-1

y=5(1)-1

y=5-1

y=4

(1,4) <== the solution

I hope this helps!
~kaikers

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