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y-3x-3 y=3x+3 A line with a slope of 3 crossing the y-axis at 3.
Yes, 3x+4y=10 is a linear equation, because you can move the x over to the other side, and divide by 4 to get y=-3/4x+5/2. Generally, any equation in the form ax+by=c is a linear equation.
3x + y = -1 y = -3x - 1 The graph is a straight line, with a slope of -3, passing through the point Y = -1 on the y-axis.
3x + y = 7 First, turn the equation into the slope-intercept form, y = mx + b, where m is the slope of the graph that that equation represents (solve for y).3x + y = 7 subtract 3x to both sidesy = -3x + 7So you clearly see that the slope is -3.
-7