45x+90y=810 y=x+4 Find the solution

Anton Sizikov asked Feb 14, 2023

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31 votes

45x+90y=810
y=x+4
Find the solution

Anton Sizikov asked Feb 14, 2023

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18 votes

Answer:

45(x+2y)=810

x+2y=810/45

x+2y=18

x+2*(x+4) =18

x+2x+8=18

3x=10

x=10/3

y=10/3+4

Colin Newell answered Feb 19, 2023

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