4
3-2x=7 so -2x=4 and x=-2
18
7
The answer could be any number between 39 to 45. When doubled this produces 78 to 90. and with 7 subtracted this gives 71 to 83.
4
3-2x=7 so -2x=4 and x=-2
-11
22
18
-10
11
14
7 subtracted from the quotient of a number and 2 is a -6
11 and 7 because they appear twice. (mode is how many times a number appears)
A negative number subtracted by a positive number will always end up negative.
7