Positive 4 -3 + 7= 4 Negative 3 plus positive 7 equals positive 4.
If I am correct, 9 plus 7 equals 112.
4x + 7 = 6x -7 14=2x so x = 7 (plus a negative # is simply - that number)
The answer is negative 3.
144 is the answer.2+3=10 which means 2+3=55*2=107+2=63 7+2=99*7=63now 9+7=? 9+7=1616*9=144
-4
Negativa 7
Positive 4 -3 + 7= 4 Negative 3 plus positive 7 equals positive 4.
The sum of -3 and -4 is -7.
It equals negative 25!!
-10
A negative plus a negative equals a negative because the operation you're doing is equivalent to subtraction. If you wrote down a sum "negative 3 plus negative 7" it would look like this: -3+-7 which is the same as -3-7 Whenever you add a negative number you are actually taking more away, and this is why a negative plus a negative equals a negative - You start with a negative number, and are taking even more away, so you will only ever end up with a negative number.
negative 15
No.
it equals negative 1/8
This equals negative six.
(-3) - (-7) = (-3) + (+7) = (-3) + 7 = 4