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There is no symbol between -2x and 2 nor does the question say what you want answered.
y=2x y-2x=0 or 2x-y=0
14
Solve for y.2x+y=5*subtract 2x from both sides*2x+y-2x=5-2xy=-2x+5 / y=5-2x
y -2x when solved mathematically would remain y - 2x.
Y = 2x-5 and Y = 2x plus 7 is a linear system which intersects at points (-2,2)
4
y=2x y-2x=0 or 2x-y=0
y=(2x)2 y=2(2x) y=4x
2x - y -(-1) = 2x - y + 1
y-2x=3 -y -y -2x=3-y -3 -3 -2x-3=-y /-1 /-1 2x+3=y y=2x and y=2x+3 have the same slope of 2, so they are parallel. Hope this helps! ;D
-2x = y^5 or y^5 = -2x y = (-2x)^(1/5)
14
Solve for y.2x+y=5*subtract 2x from both sides*2x+y-2x=5-2xy=-2x+5 / y=5-2x
y -2x when solved mathematically would remain y - 2x.
-5
2x / (y-2) + 2x / (2-y)First get a common denominator: (y-2) (2-y)Then you have:2x(2-y) / (y-2)(2-y) + 2x(y-2) / (y-2)(2-y), summing and simplifying, you get:(4x-4) / (y-2)(2-y)
y=2x-4 y=2x-5 y=1 1=2x-4 -2x = -5 x=2/5 the solution is (x,y) = (2/5,1)