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Whitepunk [10]
3 years ago
7

Simplify 3x+5y-x+2y please

Mathematics
2 answers:
Svetlanka [38]3 years ago
6 0

Answer:

2x + 7y

Step-by-step explanation:

3x + 5y - x + 2y

Arrange it to be simplified easier,

3x - x + 5y + 2y

3x - x = 2x

5y + 2y = 7y

2x + 7y

xxTIMURxx [149]3 years ago
6 0

Answer:

2x+7y

Step-by-step explanation:

<u>3x</u>+5y<u>-x</u>+2y =

<u>3x-x</u> = 2x

5y+2y = 7y

3x+5y-x+2y = 2x+7y

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Given the equation 6x + 18 = 72: Part A: Write a short word problem about a purchase made to illustrate the equation. (6 points)
bulgar [2K]

Considering the linear function 6x + 18 = 72, it is found that:

A. The problem is: You made a number of services for $6, plus a base pay of $18, and earned $72. How many services you made?

B. The solution is: x = 9.

C. In the context of this problem, the solution means that you made 9 services.

<h3>What is a linear function?</h3>

The general format of a linear function is presented as follows:

y = mx + b.

In which the coefficients are:

  • m is the slope, representing  the variable amount, that is, by how much y changes when x is increased by one.
  • b is the y-intercept, which is the fixed amount.

In this problem, the equation is:

6x + 18 = 72.

From the given equation, considering the slope of 6 and the intercept of 18, the problem can be presented as follows:

You made a number of services for $6, plus a base pay of $18, and earned $72. How many services you made?

The solution is found isolating the variable x, as follows:

6x = 72 - 18

6x = 54

x = 54/6

x = 9.

The solution x = 9 represents the number of services that you made, in the context of this problem.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

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