SAT Math › How to subtract negative numbers
Evaluate:
Subtract:
Simplify the following expression:
If x is a negative integer, what else must be a negative integer?
x² – x
x²
x – (–x)
x – x
–7 – 7= x
–7 – (–7) = y
what are x and y, respectively
x = 0, y = 0
x = 14, y = –14
x = –14, y = 14
x = –14, y = 0
y = 0, x = 14