Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to solve simultaneous equations graphically [title] Write your 2 equations clearly. [step] Write your 2 equations in an organised, clear way. This will make it easier later.

Ending1: Think of all the equations on this paper, with its separate components. [substeps] Letters for each equation in completely different patterns, so that you have these confusion lines which you will have to follow to solve. Ending2: [substeps] In this guide, we are going to use equations 3x + 4y=22 and x + 2y=2 as an example. [title] In the first equation, let x be 0. Ending3: [title] Practice the simple steps for resolving the unique problem. [step] This is usually easier for gifted people. Ending4: The first range (r) should be clear but this step is optional. Also use the base degree and wavelength, and the formula for calculating then format.

Answer format: ending1/ending2/ending3/ending4