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clearly, wrong, since
7*2 ≠-14
since x = 7y,
-7y+3y = 20
The math problem is
7y=x
and
-x+3y=20
The question asked me to solve it using substitution.
and the answer I got was (-14,2)
is this answer right?
7*2 ≠-14
since x = 7y,
-7y+3y = 20