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Chapter 4: Problem 5

If \(18+d=12\), what is the value of \(5 d\) ? A) \(-30\) B) \(-18\) C) \(-6\) D) 6

Short Answer

Expert verified
The value of \(5d\) is \(-30\). Therefore, the answer is A) \(-30\).

Step by step solution

01

Solve the given equation for d

Subtract \(18\) from both sides of the equation \(18+d=12\). \[ d = 12 - 18 \]
02

Simplify the right side of the equation

Subtract 18 from 12. \[ d = -6 \]
03

Find the value of \(5d\) by multiplying d by 5

Now that we have the value of \(d\) as \(-6\), we can find the value of \(5d\) by multiplying \(-6\) by \(5\). \[ 5d = 5(-6) \]
04

Simplify the expression

Multiply \(-6\) by \(5\). \[ 5d = -30 \] The value of \(5d\) is \(-30\). Therefore, the answer is A) \(-30\).

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