5. Ras/suku bangsa penduduk australia

Hello,
x= the number 3x= three times the number
seven decreased by three times a number is forty, then:
7-3x=40 -3x=33 x=-11
Answer: the number is -11

Answered by Illuminati750 | 2024-06-10

The **value **of the unknown number is -11.
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addit i on, subtraction, multiplication, and division.
Numbers (constants), variables , operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols , which can also be used to **indicate **the logical syntax's order of operations and other features.
Given that **seven **decreased by three times a number is forty, Let the number be x then the value of the **number **will be calculated as below:-
x = the number
3x = three times the number
Seven **decreased **by three times a **number **is forty, then:
7-3x=40
-3x=33
x=-11
Therefore, the **value **of the unknown number is -11.

To know more about expression follow
https://brainly.com/question/723406
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Answered by shubhamchouhanvrVT | 2024-06-16

The unknown number in the equation where seven decreased by three times the number equals forty is -11. This is found by expressing the statement as an equation and solving for the variable. The steps involve isolating the variable and performing basic algebraic operations.
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Answered by shubhamchouhanvrVT | 2024-08-16

Jawaban:Penjelasan:Australia is a multicultural nation with a diverse population. While there isn't a single dominant "race" or "tribe," the population is comprised of people from various ethnic backgrounds, with Aboriginal Australians being the original inhabitants. The majority of Australians identify as having European heritage, primarily from the UK and Ireland. There's also a significant number of people with Asian heritage, especially from East and Southeast Asia.

Answered by lakshmi12102008 | 2025-07-19