the sum of a number and 35 is 100 create an equation
Let's called this number x and sum it with 35x+35We know this sum is equal to 100, let's equal it.x+35=100\(\boxed { x+35=100 }\)
you can do any letter you want so let's say the sum of a number is n then u add 35 so it will be n+35 equals 100 n+35=100
