Step 1. Subtract 3 to both sides of equation so we can get x-terms on the left side and numbers on the right side of the equation.
Step 2. Divide -4 to both sides of equation to get x by itself.
Step 3. Answer is x=-4.
I hope the above steps were helpful.
For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.