subject
Mathematics, 17.06.2020 20:57 gracianoa

3(x + 5) = 7x - 13 3x + 15 = 7x - 13
- 3x -3x
1557x - 13
+13 +13
28 = 7x
7 7
4=x
x=4
What is the first step of this algebraic proof after the given?
Addition
Subtraction
Division
Multiplication
ОО
Distributive

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily
Answers: 2
question
Mathematics, 21.06.2019 21:30
Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.
Answers: 3
question
Mathematics, 21.06.2019 23:30
What is the volume of a rectangular crate that has dimensions 9 inches by 9 inches by 1 feet? 1,458 in.3 121.5 in.3 1,012.5 in.3 36 in.3
Answers: 1
question
Mathematics, 22.06.2019 00:00
What is the value of x? enter your answer in the box.
Answers: 2
You know the right answer?
3(x + 5) = 7x - 13 3x + 15 = 7x - 13
- 3x -3x
1557x - 13
+13 +13
28 = 7x
Questions
question
Mathematics, 23.04.2021 19:10
question
Mathematics, 23.04.2021 19:10
question
Social Studies, 23.04.2021 19:10
question
Mathematics, 23.04.2021 19:10
question
Mathematics, 23.04.2021 19:10
question
Spanish, 23.04.2021 19:10
question
History, 23.04.2021 19:20
Questions on the website: 13722361