x = 15
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.
The problem 20 minus negative 24 equals 44 because two negatives become a positive.
803 + 20 = 823823 - 100 = 723803 plus 20 minus 100 equals 723.
-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.
-20 negative 20 minus 20
x = 15
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.
10 minus negative 10 equals 20: 10 - (-10) = 20 or rather 10 + 10 = 20. 10- (minus 10) = 20
The problem 20 minus negative 24 equals 44 because two negatives become a positive.
803 + 20 = 823823 - 100 = 723803 plus 20 minus 100 equals 723.
-20 -(-5) = -15 ie -(-5) = +5 therefore -20 +5 =15 (two double minuses = a positive)
320 tolerance +/- 20 ? Did I get it right?
y equals negative 8.
Negative 19 minus 1 equals negative 20
20