WORKSHEET: ALGEBRA 2 - SOLUTION EXERCISE 3c |
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3) Work out these problems to find the unknown number: c. A number minus five, all multiplied by two is equal to 30. What is the number? |
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(x - 5).2 = 30 2x - 10 = 30 2x = 30 + 10 2x = 40 x = 40/2 x = 20 The number is 20 |
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