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"-X-8-X-4" cannot be solved. This is because it is an expression, and expressions can only be reduced into another expression, not solved. In this example, it would reduce to "-2X-12". However, if you substitute -4 for X, you get -4. If the problem read "-X-8-X-4=-4", -4 would be an appropriate solution for X.
6
8
0
x/4 - 4 = x/4 4x/4 - 4 x 4 = x x - 16 = x 0 = 16 There is no solution to the equation.
No, x = 4 is not a function. I would describe x = 4 as the solution to an equation.
x-4<5
-3
A number that makes an equation true is a solution. If there is more than one answer to an equation (such as an equation like): (x-2)(x+4)=0 then it is called a solution set (and in this case would be x={-4, 2}).
It is called that point...(say, 5, -4) but in the x coordinate. a question may be...Find the x cooriinate of 5, -4, and the x coordinate of it would just be caalled the x coordinate of 5, -4
x-y=4 x=y+4
y=x+4