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Chapter 1: Q11. (page 24)

Solve each equation. Check your solution.

7+3x=49

Short Answer

Expert verified

The required answer is 14.

Step by step solution

01

Step 1- Isolate the variable x

Perform subtraction of 7 from both the sides of the equation.

7+3x鈭�7=49鈭�73x=42

Perform division of 3 on both the sides of the equation

3x3=423x=14
02

– Check the obtained value 

Substitute the obtained value of x into the original equation and perform simplification for checking.

7+314=?497+42=?4949=49
03

Step 3- Make the conclusion

As the checking results in equal values on both the sides on substation of obtained value which means that obtained value is correct.

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