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The X and Y intercepts and the Slope are called the line properties. We shall now graph the line x-y-7 = 0 and calculate its properties. Graph of a Straight Line : Calculate the Y-Intercept : Notice that when x = 0 the value of y is 7/-1 so this line "cuts" the y axis at y=-7.00000. y-intercept = 7/-1 = -7.00000 Calculate the X-Intercept :

Graph the line using the slope and the y-intercept, or the points. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

To solve a system of equations by elimination, write the system of equations in standard form: ax + by = c, and multiply one or both of the equations by a constant so that the coefficients of one of the variables are opposite. Then, add or subtract the …