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Linear Systems
Substitution:
Example 1:
x
+ 7
y
= – 4
3
x
– 2
y
= 11
Example 2:
5
x
– 4
y
= –2
2
x
– 3
y
= –5
Elimination:
Example 1:
x + 2y = 1
x – y = 4
Example 2:
5
x
– 4
y
= –2
2
x
– 3
y
= –5
Example 3:
Example 4:
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