y = -5
Answer
y=x+5 is a line with slope m=1 and intersects at (0,5) and (-5,0). The value of y could be anything, especially since the value of x is not specified to be an integer :
* 0 if x=-5 * Any positive number if x = any positive number * Positive if x<5 but >0
* Any negative number if x=any number more negative than -5 There are also special cases
* If x is imaginary * Undefined or infinite if x=any number/0 or =0/any number
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You actually take the positive, and put it in front:2+-5=?Then make the negative positive and subtract:2-5=-3dude just reme.... + plus a + = +and a - plus + = -and a - minus a - equals a -and a - minus a plus a + = -ok... sozz... a bit unclear... =='
7
Well there are quite a few numbers that added together will equal negative 15: here are just a few examples: negative 1 plus negative 14 equals negative 15 (-1 + -14 = -15) negative 2 plus negative 13 equals negative 15 (-2 + -13 = -15) negative 3 plus negative 12 equals negative 15 (-3 + -12 = -15) negative 4 plus negative 11 equals negative 15 (-4 + -11 = -15) negative 5 plus negative 10 equals negative 15 (-5 + -10 = -15) negative 6 plus negative 9 equals negative 15 (-6 + -9 = -15) negative 7 plus negative 8 equals negative 15 (-7 + -8 = -15) negative 30 plus positive 15 equals negative 15 (-30 + 15 = -15) negative 29 plus positive 14 equals negative 15 (-29 + 14 = -15) negative 28 plus positive 13 equals negative 15 (-28 + 13 = -15) and on an on it goes.
-10
Note that adding a negative number is equivalent to subtracting a positive number, so 13 + -8 is the same as 13 - 8 which equals 5.