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kiruha [24]
3 years ago
9

What is the solution to the system of equations? Use the substitution method.

Mathematics
1 answer:
Sav [38]3 years ago
4 0
THE solution is D.


you have 7 and 3 so commom multiple is 21
y-3*7=7

y-21=7

y=21+7

y=28
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