Solve B_{7}=-2/1(1-1/2)-1/2-1

$$B _ { 7 } = \frac { - \frac { 2 } { 1 } ( 1 - \frac { 1 } { 2 } ) - 1 } { 2 - 1 }$$

Solve for B_7

$$B_{7}=-2$$

Steps for Solving Linear Equation

Anything divided by one gives itself.

$$B_{7}=\frac{-2\left(1-\frac{1}{2}\right)-1}{2-1}$$

Convert 1 to fraction \frac{2}{2}.

$$B_{7}=\frac{-2\left(\frac{2}{2}-\frac{1}{2}\right)-1}{2-1}$$

Since \frac{2}{2} and \frac{1}{2} have the same denominator, subtract them by subtracting their numerators.

$$B_{7}=\frac{-2\times \frac{2-1}{2}-1}{2-1}$$

Subtract 1 from 2 to get 1.

$$B_{7}=\frac{-2\times \frac{1}{2}-1}{2-1}$$

Multiply -2 times \frac{1}{2}.

$$B_{7}=\frac{-1-1}{2-1}$$

Subtract 1 from -1 to get -2.

$$B_{7}=\frac{-2}{2-1}$$

Subtract 1 from 2 to get 1.

$$B_{7}=\frac{-2}{1}$$

Anything divided by one gives itself.

$$B_{7}=-2$$

Assign B_7

$$B_{7}≔-2$$