solve for j.\n-18 + j = 20 - j\nj =

Explanation:

Step1: Add j to both sides

$-18 + j + j=20 - j + j$ $-18 + 2j=20$

Step2: Add 18 to both sides

$-18+18 + 2j=20 + 18$ $2j=38$

Step3: Divide both sides by 2

$\frac{2j}{2}=\frac{38}{2}$ $j = 19$

Answer:

$19$