The equation -2x=2y*12 is first simplified to y = ((-2x)/12)/2
y = -2x/24
y = -x/12
The graph is then graphed and the equation intersects the y-axis at y = 0. So the y-intercept is 0.
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To solve an equation with two unknowns (x and y), you need two independent equations. answer -2x-2y=-12 -2(3)-2(3)=-12 -6-6+-12 so x=3, y=3
Any pair of numbers where the 'y' is 5 more than the 'x'. There are an infinite number of suitable pairs. 2y-2x=10 2y-2x+2x=10+2x 2y=2x+10 divide both side by 2. y=x+5
2x=3-y 2y=12-x y=3-2x 2(3-2x)=12-x 6-4x=12-x -3x=6 x=-2 2(-2)=3-y -4=3-y y=7 x=-2 y=7
If: 12 = 2y+x then y = -1/2x+6 So: y = 2x+4 and y = -1/2x+6 which means that they are perpendicular lines
The answer to x2 - 2x - 4y2 - 4y =(x - 2y)(x - 2y - 2)