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1. x + y = 2
2. y = 2x - 13
Rewriting 2. as:
3. 2x - y = 13
Adding 1 & 3 gives:
4. 3x = 15
x = 5
Substituting x = 5 into 1. gives:
5 + y = 2
y = 2 - 5
y = -3
Checking values by substituting x = 5 and y = -3 into 2 gives:
-3 = (2 * 5) - 13
-3 = 10 - 13
-3 = -3
Therefore x = 5 and y = -3.
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∙ 12y ago
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