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MrRa [10]
4 years ago
15

2x+20=-3x-25 help me solve it

Mathematics
2 answers:
zysi [14]4 years ago
8 0
The correct answer is x= -9. Hope this helps!!
Galina-37 [17]4 years ago
4 0

Hey there!

Answer:\boxed{x=-9}

Explanation:

2x+20=-3x-25

2x+20+3x=-3x-25+3x\\5x+20=-25 Add 3x to both sides

5x+20-20=-25-20\\5x=-45 Subtract 20 to both sides

\frac{5x}{5}=\frac{-45}{5} Divide both sides by 5

x=-9

Hope this helps!

\text{-TestedHyperr}

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Y=-1/2x+4 What is the slope of a line perpendicular to this line?
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Y=2x+4 would be the answer

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4 years ago
Stacy earned 11 bonus points. Linda earned b more bonus points than Stacy. Write an expression that shows how many bonus points
Maru [420]

Answer:

B+11

Step-by-step explanation:

Since linda earned more, that means it would be an addition problem.

4 0
3 years ago
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Martinique an antwan had their bill at a restaurant reduced by $6 because of a special discount. They left a tip of $9.80,which
mafiozo [28]

Answer:

  $55

Step-by-step explanation:

Let b represent the original bill. The problem statement tells us ...

  20% × (b -6) = 9.80

Dividing by 20% gives ...

  b -6 = 49.00

  b = 55.00 . . . . . . . add 6

Their bill before the discount was $55.00.

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<em>Comment on the tip</em>

It is generally considered better form to tip on the basis of the original bill before coupons and discounts.

4 0
4 years ago
Max is thinking of a number, which he calls n. He adds 8 and then doubles the sum. What is Max's final number if his starting nu
Sonja [21]

Based on the given situation, Max final number if his starting number is 7 is -4.5

<h3 /><h3>Algebra</h3>

  • Unknown number = n

  • He adds 8

n + 8

  • then doubles the sum

2(n + 8)

  • starting number = 7

So,

2(n + 8) = 7

2n + 16 = 7

2b = 7 - 16

2n = -9

n = -9/2

n = -4.5

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brainly.com/question/4344214

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3 0
2 years ago
Isoke is solving the quadratic equation by completing the square.10x2 + 40x – 13 = 0 10x2 + 40x = 13 A(x2 + 4x) = 13What is the
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we have

10x^{2} + 40x - 13 = 0

Group terms that contain the same variable, and move the constant to the opposite side of the equation

10x^{2} + 40x =13

Factor the leading coefficient

10(x^{2} + 4x) =13 ----------> the value of A is 10

Complete the square. Remember to balance the equation by adding the same constants to each side

10(x^{2} + 4x+4) =13+40

10(x^{2} + 4x+4) =53

Rewrite as perfect squares

10(x+2)^{2} =53

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therefore

the answer is

the value of A is 10

3 0
3 years ago
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