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Chapter 2: Q. 32E (page 93)

Solve the equation. Check your solution.

a+5+8=20

Short Answer

Expert verified

Solution of given equation isa=7.

Step by step solution

01

. Using addition property of equality

a+5+8=20a+13=20

Subtracting with 13on both sides

a+13-13=20-13a=20-13

02

. Simplify the expression on right side

Subtract 13 from 20.

a=20-13a=7

03

Step 3   .Verification of our solution

For checking our answer, substitutea=7in given equationa+5+8=20.

On substituting, we get

7+5+8=207+13=2020=20

Here, both sides above expression are equal.

So, our answer is true.

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