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Transcript 
Just Do It
Solve.
2s – 3t = 42
3s + 2t = 24
Solve.
3x + 2y = – 9
5x – 3y = 4
3x + y = 6
3x + y = 3
2m + 3n = 5
6m + 9n = 15
Special Cases
 No Solution
When both variables cancel out and you are left
with a false equation.
Infinite Solutions
When both variables cancel out and you are left
with a true equation.
1)
2x – y = 5
4x – 2y = 7
2)
x + y = 12
3x + 3y = 36
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