(b - 7) should do it.
9b2-7
It can be: 7x-11
7X-6
An algebraic expression for "6 less than 5 and a number" is (5 - x - 6), where x represents the unknown number.
7r-6
x / (2y - 7)
9b2-7
It can be: 7x-11
7X-6
4<x
a - 4
An algebraic expression for "6 less than 5 and a number" is (5 - x - 6), where x represents the unknown number.
What is the algebraic expression for 5 less than a certain number
7r-6
The algebraic expression for "4 less than the sum of a number and 5" is (n + 5) - 4, where n represents the unknown number.
The real answer is n-7
The algebraic expression that represents fifteen less than the sum of ( y^3 ) and seven is ( (y^3 + 7) - 15 ). This simplifies to ( y^3 - 8 ).