Chapter 2: Q. 8 (page 93)

Solve the equation. Check your solution.
$- 70 = b - 30$

Short Answer

Expert verified

Solution of given equation is $b = - 40$ .

Step by step solution

Step 1. Solving for value of b

$- 70 = b - 30$

Adding $30$ on both sides, we get

$\begin{matrix} - 70 + 30 = b - 30 + 30 \\ b = - 70 + 30 \\ b = - 40 \end{matrix}$

$b = - 40$

Step 2. Verification of our solution

For checking our answer, substitute $b = - 40$ in given equation $- 70 = b - 30$ .

On substituting, we get

$\begin{array}{l} - 70 = b - 30 \\ - 70 = - 40 - 30 \\ - 70 = - 70 \end{array}$

Step 3. Conclusion

Here, as both sides above expression are equal, our answer is true.

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Solve the equation. Check your solution.
$- 70 = b - 30$

Short Answer

Step by step solution

Step 1. Solving for value of b

Step 2. Verification of our solution

Step 3. Conclusion

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Solve the equation. Check your solution.-70=b-30

Short Answer

Step by step solution

Step 1. Solving for value of b

Step 2. Verification of our solution

Step 3. Conclusion

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Logic and Functions

Calculus

Applied Mathematics

Discrete Mathematics

Geometry

Statistics

Study anywhere. Anytime. Across all devices.

Solve the equation. Check your solution.
$- 70 = b - 30$