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13 plus y?
The expression "13 plus y" represents the sum of 13 and a variable y. It is written in algebraic notation to denote a mathematical operation. The result of this expression will depend on the specific value assigned to the variable y.
What does y mean on a math worksheet that does not define it?
it 's the variable like if i give you the equation 1+y= 13. you would minus 1 on the right side from the 1 and then minus 1 from the 13 then you get this y=12.
What is the slope of the line given by the equation below y plus 2 -3(x - 5)?
If you mean y+2 = -3(x -5) then y = -3x+13 whereas -3 is the slope and 13 is the y intercept
How do you do the elimination method for 8x-y20 and -5x y-8?
If this is: 8x - y = 20 -5x = y - 8 8x - y = 20 -5x - y = -8 multiply by -1in order to eliminate y; 8x - y = 20 5x + y = 8 add both equations; 13x = 28 x = 28/13 substitute the value of x into the one of the equations in order to find y. For example, substitute it into the first one; 8(28/13) - y = 20 224/13 - y = 20 multiply both sides with 13; 224 - 13y = 260 224 - 224 - 13y = 260 - 224 -13y = 36 multiply both sides by -1; 13 y = -36 divide both sides by 13; y = -36/13 So the solution set is (28/13, -36/13) Check: 8(28/13) -(-36/13)= 224/13 + 36/13 = 260/13 = 20 -5(28/13) = -36/13 - 8 ? -140/13 = -36/13 -8 ? -140/13 = -36/13 - 8(13/13) ? -140/13 = -36/13 - 104/13 ? -140/13 = -140/13
What is y equals 6 plus and x equals 7 then y equals?
If you mean: y=6+x/ x=7 Then that is the equation for a line. Put in any number for "x" and "y" will always be 6 more than that. In this case, y=13
