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Chapter 2: Q. 8 (page 93)

Solve the equation. Check your solution.

-70=b-30

Short Answer

Expert verified

Solution of given equation isb=-40.

Step by step solution

01

Step 1.  Solving for value of b

-70=b-30

Adding30on both sides, we get

-70+30=b-30+30b=-70+30b=-40

b=-40

02

Step 2. Verification of our solution

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

On substituting, we get

-70=b-30-70=-40-30-70=-70

03

Step 3.  Conclusion

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

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