Solve 5x - 3y = 9 for y.

Answers

Answer 1

Answer: 5x - 3y = 9
5x = 9 + 3y
5x - 9 = 3y
( 5x - 9 ) / 3 = y
y = ( 5 / 3x ) - ( 9 / 3 ) ( I just split the common denominator to individual parts )
y = 5 / 3x - 3

Answer 2

Answer:

The solution is y = (5x - 9) / 3

To solve the equation 5x - 3y = 9 for y, we need to isolate the variable y on one side of the equation.

Step 1: Move the term with y to the other side of the equation.

Subtract 5x from both sides of the equation:

5x - 3y - 5x = 9 - 5x

This simplifies to:

-3y = 9 - 5x

Step 2: Divide both sides by -3 to solve for y:

y = (9 - 5x) / -3

Therefore, the solution for y is:

y = (-9 + 5x) / 3

You can also express the solution as:

y = (5x - 9) / 3

Either form represents the solution for y in terms of x for the given equation.

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Answers

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I need help, I don't understand this question.

what is f(-3) if f(x)=|2x+1|+5

Answers

Answer:

f(-3) =10

Step-by-step explanation:

When given a function f(-3), they want you to substitute x=-3 into the function f(x) and solve

f(x) =|2x+1|+5

Let x=-3

f(-3) =|2 *-3+1|+5

f(-3)=|-6+1|+5

f(-3)=|-5|+5

The absolute value of -5 is positive 5 (absolute values means always positive).

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The students council is asking people to donate money for the new park outside the school. Everyone who makes the suggested donations amount will be given a bracelet. If everyone donates the suggested amount, b bracelets are given away, what algebraic expression represents the total amount collected in donations

Answers

Let each amount be y.

Since b bracelets were given away, it number of persons who made the amount = b.

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Help please k/2+9=30

Answers

$(k)/(2)+9=30\ \ \ | subtract\ 9\n\n(k)/(2)=21\ \ \ | multiply\ by\ 2\n\nk=42\n\nSolution\ is\ 42.$

What is 4/5 - 3/4?????

Answers

Well first you have to find a common denominator. 5 and four, their least common denominator is 20 so make the denominator 20.

4/5 = 16/20

3/4 = 15/20

16/20 - 15/20 = 1/20

$(4)/(5) - (3)/(4)$

$= (4)/(5) + (-3)/(4)$

$= (16)/(20) + (-15)/(20)$

$= (16+-15)/(20)$

$= (1)/(20)$ is your final answer.

At the farmers market you can buy a bag of 18 potatoes for $5.40. what is the unit price

Answers

$(5.40)/(18) = (x)/(1) = (5.40)/(18) / (18)/(18) = (0.3)/(1) x = 0.3$
The unit price should be 0.3 if I did it right

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