Consistent Simultaneous Equations/Examples

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Examples of Consistent Simultaneous Equations

Arbitrary Example $1$

Consider the simultaneous equations:

\(\ds x + y\) \(=\) \(\ds 10\)
\(\ds x + 2 y\) \(=\) \(\ds 15\)

These are satisfied with the values:

\(\ds x\) \(=\) \(\ds 5\)
\(\ds y\) \(=\) \(\ds 5\)

and so are consistent.


Arbitrary Example $2$

Consider the simultaneous equations:

\(\ds x + y\) \(=\) \(\ds 10\)
\(\ds x + y\) \(=\) \(\ds 15\)

These cannot be satisfied by any pair of values for $x$ and $y$.

Hence they are inconsistent.