(-7+f)/2 = -1
Multiply both sides by 2
-7+f = -2
add 7 to both sides
f=5
Alternatively, if you meant:
-7 + f/2 = -1
add 7 to both sides:
f/2 = 6
multiply both sides by 2:
f = 12
negative seven
A negative plus a negative equals a negative.
-1
Negative three plus seven equals four. When you add a positive number to a negative number, you subtract the absolute value of the negative from the positive. In this case, 7 - 3 equals 4.
Negative seven plus negative seven is negative fourteen.
it equals negative 1/8
2=n
Seventy plus negative 12, or seventy minus 12 (same thing) is equal to 58.
A negative plus a negative equals a negative.
Seven.
-1+7=6 OR Negative One plus Positive Seven equals Positive Six
7.75