When someone asks you what minus 20 equals 1, they want to know a number that you can subtract 20 to get 1. In this guide, I’m going to show you how to calculate what minus 20 equals 1
If you are in a hurry 21 minus 20 equals 1.
What is Minus?
Minus refers to an arithmetic operation that involves taking a value, vector, matrix, and other quantities from another to get the difference. It is also commonly referred to as subtraction.
Synonyms of Minus
Subtraction, deduction, discount, reduction, diminution, and subduction
How to calculate what minus 20 equals 1
First, write the problem as an Expression
Step 1: Z – 20 = 1
Step 2: Replace the letters with the values that you already have
Step 3: Add -1 to both sides so as to balance the equation
Z –20 + 20= 1 + 20
Step 4: Simplify the equation
Z + 0 = 1+ 20
Z = 1 + 20
Z = 21
Therefore 21 minus 20 equals 1