[b]2[/b][b]x[/b][b] + 8[/b] [b]= 28[/b][br][size=85](co-efficient) (variable) (constant)[/size][br][br]2x+8=28[br][br]Step 1 - Add the opposite of the constant to both sides of the equation.[br][br]2x + 8 = 28[br] +[u](-8)[/u] +[u](-8)[/u][br][br]2x = 20[br][br]Step 2 - Divide both sides of the equation by the co-efficient.[br][br][u]2x[/u] = [u]20[/u][br]2 2[br][br]x = 10 Your solution!