Asked by Leticia
Solve the following system of linear equations by addition. Indicate whether the given system of linear equations is consistent, inconsistent, or dependent. If the system is consistent, find the solution.
{−7x + 7y −9x + 9y == −21 −27
{−7x + 7y −9x + 9y == −21 −27
Answers
Answered by
Reiny
your equations are jumbled and garbled
did you mean:
-7x + 7y = -21 and -9x + 9y = -27 ??
dividing the first one by -7 and the second by -9 produces the same equation,
x - y = 3
So they are both one and the same equation.
Look up how each of your classifications is defined in your text or in your notes.
did you mean:
-7x + 7y = -21 and -9x + 9y = -27 ??
dividing the first one by -7 and the second by -9 produces the same equation,
x - y = 3
So they are both one and the same equation.
Look up how each of your classifications is defined in your text or in your notes.
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