your equation is this
9N=63
9N/9=63/9
N=7
your answer is 7
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You need to get n alone.9n=45 → Divide by 9n=45/9n=5
7x + 3y=63
9n + n = 10n
Not until it equals something. Equations have equals signs.
the system of equations 3x-6y=20 and 2x-4y =3 is?Well its inconsistent.