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Solve each equations by substitution. y=2x 25x-y=9
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10 votes
10 votes
Solve each equations by substitution. y=2x
25x-y=9

User Femi
by
3.1k points

1 Answer

10 votes
10 votes

Answer:

x=9/23 and y=18/23

Explanation:

Substitute 2 x for y in 25x−y=9

25x−y=9

25x−2x=9

23x=9

23x/23=9/23

x=9/23

substitute 9/23 for x in y=2x

y=2x

y=2(9/23)

y=18/23

x= 9/23 and y=18/23

User Stanislav
by
3.2k points
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