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Daphne Dooley

Lvl 10
3y ago
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Wiki User

14y ago

Let n be the unknown number then we can write :

7(4 + n) = -14

Clearing the brackets/parentheses

28 + 7n = -14

Subtract 28 from both sides

7n = -14 - 28 = -42

Divide both sides by 7

n = -6

Check : 7[4 + (-6)] = 7 x (-2) = -14

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Q: What is seven times the sum of 4 and a number is -14?
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