destinyv27 destinyv27

24-10-2020
Mathematics

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Twice the sum of a number x and 9 is equal to 12 less than the number x. What is the value of x?

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noIDEnoentry noIDEnoentry

25-10-2020

Answer:

x = -30

Step-by-step explanation:

Let x be the number.

2(x + 9) = x - 12

Use distributive property of multiplication

2x + 18 = x - 12

Simplify by combining like terms

2x - x = -12 - 18

x = -30

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