When someone asks you what minus 1 equals 20, they want to know a number that you can subtract 1 to get 20. In this guide, I’m going to show you how to calculate what minus 1 equals 20
If you are in a hurry 21 minus 1 equals 20.
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 1 equals 20
First, write the problem as an Expression
Step 1: Z – 1 = 20
Step 2: Replace the letters with the values that you already have
Step 3: Add -20 to both sides so as to balance the equation
Z –1 + 1= 20 + 1
Step 4: Simplify the equation
Z + 0 = 20+ 1
Z = 20 + 1
Z = 21
Therefore 21 minus 1 equals 20