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Solve the system of equations using (a) substitution and (b) Elimination -x-9y= 16 10x+20y=20

Solve the system of equations using (a) substitution and (b) Elimination -x-9y= 16 10x+20y=20
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5 votes
Solve the system of equations using (a) substitution and (b) Elimination

-x-9y= 16

10x+20y=20

User Dan Goldin
by
8.2k points

1 Answer

3 votes

Answer:


Explanation:

huh i think the answer is 9


User Ben Guest
by
7.6k points
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