Substitution and find plots

label Algebra
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4x-8y= -28

x=2-1/4y

Algebra is not my best subject.

Sep 11th, 2015

Thank you for the opportunity to help you with your question!

4x-8y= -28

x=2-1/4y


substitute x=2-1/4y in 4x-8y= -28

4x-8y= -28

4(2-1/4y) - 8 y = -28

8 - y - 8 y = -28

- 9 y = -36

9 y= 36

y = 4...............................ANSWER


4x-8y= -28

4x - 8*4 = -28

4x = -28+32

4x =4

x =1...................................ANSWER


point is (1 ,4)

x =1

y = 4



Please let me know if you need any clarification. I'm always happy to answer your questions.....thank you
Sep 11th, 2015

please message if you have any doubts

i am happy to help you

thank you

Sep 11th, 2015

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