Question

20 less than a number is 80 what is the number​

Answer 1

Answer:

Let number be x

x-20=80

x= 80+20=100

Number is 100

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Answer 2

Answer:

The number is 100

Step-by-step explanation:

For the solution,

we need to take a variable. It can be any alphabet like a, b, c, x, z etc etc.

So, we are taking x for this.

Given that 20 less than a number, and we have taken x as the number, so

x - 20 = 80

x = 80 + 20

x = 100