Nội dung chính

## 1 If 1:x = x:64 – What one number can replace x? Algebra is easy.

**Author:**quorablog.com**Published Date:**01/17/2022**Review:**4.96 (728 vote)**Summary:**· If 1:x = x:64, x can be replaced by 8 and -8, Colon : is used in proportion to 1:1, which means one divided by one. Step-by-step explanation:**Matching search results:**This is the same as writing,

1/x = x/64

Apply fraction cross multiply: if a/b = c/d then a X d = b X c

64 = x2

Taking square root both sides, we have,

X = √64

We know √64 = ± 8

x = ± 8**Source:**https://www.quorablog.com/if-1-x-x-64/

## 2 1:x = x:64. What One Number Can Replace x?

**Author:**dilutee.com**Published Date:**11/24/2021**Review:**4.95 (804 vote)**Summary:**If 1:x = x:64 is given proportion, Algebra is always interesting to solve. In this given sum, we need to find the value x. Let’s see how to solve this step by**Matching search results:**we can write 64 as 8^2 because eight power two will be 64**Source:**https://dilutee.com/blogs/facts/1-x-x-64-what-one-number-can-replace-x

## 3 1: x= x:64 what one number can replace x? – AnswerPrime

**Author:**answerprime.com**Published Date:**02/15/2022**Review:**4.97 (721 vote)**Summary:**· 1: x= x:64 what one number can replace x? … Multiply 1/x = x/81 by 81x and you get … 81 = x² Taking the square root gives … x = ±9 Either 9 or –**Matching search results:**1: 5 = 5: 25 Note that the colon can act like a fraction. Simplify 5/25. (5/25)/(5/5) = 1/5 = 1/5 5 is your answer hope this helps**Source:**https://answerprime.com/1-x-x64-what-one-number-can-replace-x/