Assuming that seevn is your attempt at writing seven, the answer is
-3/7 + 2*(24/7) = -3/7 + 2*18/7 = -3/7 + 36/7 = 33/7 = 45/7
No. If you have -+4, this is a -, if it is ++ it is +, -- is +, -+ or +- is -. Therefore -7-+4 is -11
(-4) - (3) = -7
Seven to the negative four power equals 0.00041649312
Three is greater than negative four.
negative 71
+ 0.75
Negative four
positive four
-11
three minus seven is four
Negative four thirds
Negative 5 and three tenths.