Question

seven less than the sum of p and t is as much as nine times a number y subtracted from 85 is seven times the sum of four and y

Answer 1

7-(p+t) =  9(85-n) = 7(4+y)

Algebra is a kind  of mathematics that includes symbols and the arithmetic operations across these symbols. These symbols do not have any fixed values and are called variables.  

An algebra expression contain coefficient variable and a constant

We apply various methods to solve those question

An algebra expression is also called an equation

let the number be x

Seven less than the of p and t

= 7-(p+t)…….(1)

Nine times a number y subtracted from 85

= 9(85-n)…..(2)

Seven times the sum of four and y

= 7(4+y)……(3)

Combining equations (1), (2) and (3) according to the question :

7-(p+t) =  9(85-n) = 7(4+y)

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