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sergiy2304 [10]
3 years ago
9

How to solve 5y + 34 = -2 (-7y+1)

Mathematics
1 answer:
luda_lava [24]3 years ago
5 0

Answer:

y = 4

Step-by-step explanation:

Step 1: Write out equation

5y + 34 = -2(-7y + 1)

Step 2: Distribute

5y + 34 = 14y - 2

Step 3: Subtract 5y on both sides

34 = 9y - 2

Step 4: Add 2 to both sides

36 = 9y

Step 5: Divide both sides by 9

4 = y

Step 6: Rewrite

y = 4

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Step-by-step explanation:

a negative it's like adding them together

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Math problem:alexa works 40 hours a week if she arns 720 per week how much will she earn in 8 weeks
hammer [34]

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5,760‬ is your answer

Step-by-step explanation:

You Just multiply 720 by 8

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3 years ago
Write a linear equation that passes through the points(2,-2) and (0,1)
Yakvenalex [24]

Answer:

Slope intercept: y = -3/2x + 1

Point slope: y + 2 = -3/2 * (x - 2) [Forgot to add the work for this, I will add it if you need it, feel free to ask.]

Step-by-step explanation:

m = (change in y)/change in x)

But also

m = y_2 - y_1/x_2 - x_1


So lets substitute

m = 1 - (-2)/0 - (2)

Lets find the slope

m = 3/0 - (2)

m = 3/-2

m = -3/2 (Moved the negative)

Now we find the value of b using the equation of a line.

y = mx + b

y = (-3/2) * x + b

y = (-3/2) * (2) + b

-2 = (-3/2) * (2) + b

Now we find the value of b

Lets rewrite

-3/2 * 2 + b = -2

Cancel the CF of 2

-3 + b = -2

Move the terms without b to the right

b = -2 + 3

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Now we substitute our values of the slope and y-int into y = mx + b to find the equation.

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7 0
2 years ago
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iVinArrow [24]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
1/2x + 6= 3x - 4<br> Solve the system of equations
shepuryov [24]
1.Combine multiplied terms into a single fraction

2. Multiply by 1

3. Subtract 6 from both sides of the equation

4.Simplify

5.Subtract 3x from both sides of the equation

6.Simplify

7.Multiply all terms by the same value to eliminate fraction denominators

8.Simplify

9.Divide both sides of the equation by the same term

10.Simplify

Solution:x=4
5 0
2 years ago
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