(-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 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
this is not helpful