Solve for j c=(j+r)/2

$c = \frac{j + r}{2}$

Step 1

Rewrite the equation as $\frac{j + r}{2} = c$ .

$\frac{j + r}{2} = c$

Step 2

Multiply both sides of the equation by $2$ .

$2 \frac{j + r}{2} = 2 c$

Step 3

Simplify the left side.

Cancel the common factor of $2$ .

Cancel the common factor.

$2 \frac{j + r}{2} = 2 c$

Rewrite the expression.

$j + r = 2 c$

$j + r = 2 c$

$j + r = 2 c$

Step 4

Subtract $r$ from both sides of the equation.

$j = 2 c - r$

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