y divided by 7 is y/7
7 divided by y is 7/y
y to the power 7
(x/7)2
x-7
n + 7
3x5 ÷ 7y4
(b - 7) should do it.
(x/7)2
x / (2y - 7)
x-7
This expression would be 3x-7.
n + 7
3x5 ÷ 7y4
(b - 7) should do it.
To express this as an algebraic sum, this would be equal to 7x - 10.
7/ 3/
7x + 2
3x + 7
n+37