# Math - Algebra

The sum of two numbers is 25. Twice the second plus 4 is equal to the first. Find the numbers.

The difference of two numbers is 42. Thrice the first 4 more than the second. Find the numbers.

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1. x and (25-x)

2(25-x) + 4 = x

50 - 2x + 4 = x

3 x = 54

x = 18
============================
x and (x+42)

3 x - 4 = x+42

2 x = 46

x = 23

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posted by Damon
2. 2and2differnce is 5

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posted by kevin
3. Is 1 38/61 irrational.

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4. the sum of two numbers is 30. The second number is 2 more than thrice the first number. Find the numbers

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