Operations with Integers
5+3
What is 8?
x+3 for x+10
What is 13
4f+11f
15f
3 times a number
2(8-4)
What is 8
-5+(-7)
What is -12
7d for d=-3
What is -21
3r-7+2r
5r-7
The sum of a number and 7
n+7
2*8-4
What is 12
What is -12
15-r when r=-3
What is 18
8n-3+10n+7
18n+4
7 less than a number
n-7
15-5^2
What is -10
-7-(-9)
What is 2
x^2 for x=-2
What is 4
-2(3n-5)
What is -6n+10
twice a number decreased by 12
2n-12
24 // 3 *2-3^2
What is 7
12-(-12)
What is 24
2x-7 for x=-2
What is -11
What is -15a-15
four times the sum of a number and 16
4(n+16)
(2*4^2-8)/(2(5+2)
What is 12/7 or 1 5/7