Solve for x2 (2+x_2)/2=4

$\frac{2 + x_{2}}{2} = 4$

Multiply both sides by $2$ .

$\frac{2 + x_{2}}{2} \cdot 2 = 4 \cdot 2$

Simplify.

Simplify the left side.

Simplify $\frac{2 + x_{2}}{2} \cdot 2$ .

Cancel the common factor of $2$ .

Cancel the common factor.

$\frac{2 + x_{2}}{2} \cdot 2 = 4 \cdot 2$

Rewrite the expression.

$2 + x_{2} = 4 \cdot 2$

Reorder $2$ and $x_{2}$ .

$x_{2} + 2 = 4 \cdot 2$

Simplify the right side.

Multiply $4$ by $2$ .

$x_{2} + 2 = 8$

Move all terms not containing $x_{2}$ to the right side of the equation.

Subtract $2$ from both sides of the equation.

$x_{2} = 8 - 2$

Subtract $2$ from $8$ .

$x_{2} = 6$