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Chapter 2: Q31. (page 93)

Writing In Example 1 on page 91, the subtraction property of equality is used to solve x+9=-3. Explain how you can also solve this equation using the addition property of equality

Short Answer

Expert verified

Value ofx= -12.

Step by step solution

01

Step-1-Using addition property of equality

x+鈥�9鈥�=鈥�-3

Adding-9on both sides.

x+9+(-9)=-3+(-9)x+9-9=鈥�-3-9
02

Step-2-Simplify the expression on right side

Add the two negative numbers, -3 and -9.

x=鈥�-3-9x=鈥�-12

03

Step-3-Conclusion

Therefore, the solution of the equation isx =-12.

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