Answer:
1. x - 5 = 20
2. x + 2y = -6
3. 5x² = 12
Explanation:
1. 5 less than x is 20
x - 5 = 20
2. the sum of x and twice y equals -6
x + 2y = -6
3. the product of 5 and x squared results in 12
5x² = 12
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