1. Graph the equation, 12x + 6y = 18.

2. Graph 4x = 7y – 21 using only the slope and the y-intercept.

When you have an equation in the form y = mx + c, m is the gradient of the line which means the amount of units you move up or down for every unit right you move, and c is the y intercept; where the graph crosses the y axis:

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