If: -7 = 7-2r
Then: r = 7
16r2+9r
16-7 equals = 9
37-7 equals = 30
x = 14
7 pounds equals 7 pounds.
7-1=6
7*7+11*10=159
7 out of 10 equals 70%
3
7 multiplied by itself seven times, or (7^7), equals 823,543.
It doesn't ! -7 plus -5 equals -12 ! -7 plus 5 equals -2
7 equals to 7.