5 - (-15) = 20
-20 -(-5) = -15 ie -(-5) = +5 therefore -20 +5 =15 (two double minuses = a positive)
Negative 15 plus positive 20 equals 20 minus 15, which equals 5.
-34 minus -20 is -14
-40 minus -20 is -20.
-11 minus -20 is 9
Negative 8 minus 12 is negative 20.
10 minus -20 is 30.
-20 negative 20 minus 20
-15 - (-15) = 0
Equals positive or negative. Because minus a positiveequals plus a negative.(+15) - (+20) = (+15) + (-20)If you want to lear the rules, use a plus symbol between the parts of the operation.(+) + (+) = +(-) + (-) = -(+) + (-) = - or +Generally speaking, if just one number have a negative sign, the result can be both positive or negative.
Yes, -20°C is colder than -15°C. The larger the negative value, the colder the temperature.