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Chapter 1: Q13 (page 10)

Find the value of the variable.

-2b=6

Short Answer

Expert verified

The value of the variable is b=-3.

Step by step solution

01

Step 1. Divide by 2.

To find the value of variable b in the equation -2b=6, divide both sides of the equation by 2.

鈭�2b2=62

02

Step 2. Simplify the equation.

To further simplify, cancel the common factors of 2 on both sides.

鈭�2b2=3脳22鈭�b=3

03

Step 3. Multiply by -1.

In order to obtain b, multiply the equation -b=3from both sides-1.

鈭�b脳鈭�1=3脳鈭�1b=鈭�3

04

Step 4. Verify the value.

In order to verify the value of b, substitute -3 for b into the equation -2b=6.

鈭�2脳鈭�3=66=6True

Hence, the value of the variable is b=-3.

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