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Chapter 8: Q4. (page 400)

Solve the equation Check your solution.

-18=3w-1

Short Answer

Expert verified

The solution of our given equation would be w=-5.

Step by step solution

01

Step 1. Given Information.

An equation: -18=3w-1

02

Step 2. Calculation.

To solve our given equation, we use opposite operations as shown below:

鈭�18=3(w鈭�1)鈥勨赌勨赌勨赌勨赌勨赌勨赌勨赌勨赌勨赌�Givenequation鈭�183=3(w鈭�1)3Dividingbothsidesby3鈭�6=w鈭�1w鈭�1=鈭�6w鈭�1+1=鈭�6+1鈥勨赌勨赌勨赌勨赌勨赌勨赌勨赌勨赌勨赌勨�勨�勨�勨�勨��Adding1onbothsidesw=鈭�5

Let us verify our answer by substituting w=-5in our original equation.

鈭�18=3w鈭�1Givenequation鈭�18=3鈭�5鈭�1Substitutingw=鈭�5鈭�18=3鈭�6鈭�18=鈭�18

Since both sides of equation are equal, therefore, w=-5 is a solution of our given equation.

03

Step 3. Conclusion.

The solution of our given equation would be w=-5.

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Most popular questions from this chapter

Tell whether the ordered pair is a solution of the equation.

y=-4x+9;3,-3

An equation whose graph is a line is called a(n) ?.

Graph the equation.

y=-x+3.

Copy and complete: A relation is a(n) ? if for each input there is exactly one output.

Represent the relation as a graph and as a mapping diagram. Then tell whether the relation is a function. Explain your reasoning.

-2,-1,0,2,2,3,-2,-4
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