asked 91.4k views
5 votes
45x+90y=810
y=x+4
Find the solution

1 Answer

6 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

answered
User Grantc
by
8.3k points
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