9 plus 7 equals 16.
No. If that's -2x + 7 = -9 -2x = -16 x = 8
18 is a solution to the equation 4 plus 7 times a number where the result is 9 times that number.
No. 5+9=14. 7+9=16, therefore x=7.
The given expression can be simplified to: 4x -16
The answer to 12 P plus 7 times 139 equals 39. This is taught in high school math.
(x, y) = (3, 7) is a solution.
It's a simple example of addition.The solution looks like this:10 + 9 + 7 + 6 + 6 + 6 + 5 = 49
127 easy math people
Identify the property illustrated 7 + 9 = 9 =7
7x + 9 = 51 7x = 42 x = 42/7 = 6
-16
3+6+5+7+(9-7)=23