T
7-2x
1 - r/7 Another way to write the same thing is 7/7-r/7 which is (7-r)/7
(-7) - 5 - 2 = -14
a negative minus a negative = a positive. the two negatives put together make a plus sign. example... 5-(-7) = 13
7 - f
A number, f, less than 7.
7-x
T
It is 1 - r/7
9
F-Minus was created in 1995.
f/-7 -8 =2 add 8 both sides f/-7=10 multipby both sides by -7 f=-70 check =-70/-7=10 10-8=2
7-2x
Zero.
It is suppose to be k/3 minus 7
minus 31.666