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y = -3x + 7 is an equation which gives us a line parallel to the line y = -3x + 1, or the line -3x - 1. The equation given represents the slope-intercept form of the equation for a line. Slope-intercept takes the form y = mx + b. In this form the the value of m represents the slope of the line, while b represents the Y intercept. All lines with the same slope are parallel (unless they're exactly the same.) So to find a parallel line, we simply adjust the Y intercept to any value other than the one given.
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the slope of a line is 9/5 the y intercept is -4, express the equation of the line in point slope form
The general equation is y = mx + c. m is the slope of the straight line. c is the y intercept. This is readily obtained by putting x = 0 then the general equation simplifies to y = c.
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