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Mariana [72]
3 years ago
12

Help me please help with this problem

Mathematics
1 answer:
vodomira [7]3 years ago
5 0
It would be x=-4 have a good day
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2x-4y=8 and 7x-3y=61 solve by substitution
Ratling [72]

Answer:

(10, 3)

Step-by-step explanation:

Solve by Substitution

2x − 4y = 8 and 7x − 3y = 61

Solve for x in the first equation.

x = 4 + 2y 7x − 3y = 61

Replace all occurrences of x with 4 + 2y in each e quation.

Replace all occurrences of x in 7x − 3y = 61 with 4 + 2y. 7 (4 + 2y) − 3y = 61

x = 4 + 2y

Simplify 7 (4 + 2y) − 3y.

28 + 11y = 61

x = 4 + 2y

Solve for y in the first equation.

Move all terms not containing y to the right side of the equation.

11y = 33

x = 4 + 2y

 Divide each term by 11 and simplify.

y = 3

x = 4 + 2y

 

Replace all occurrences of y with 3 in each equation.

Replace all occurrences of y in x = 4 + 2y with 3. x = 4 + 2 (3)

y = 3

Simplify 4 + 2 (3).

x = 10

y = 3

The solution to the system is the complete set of ordered pairs that are valid solutions.

(10, 3)

The result can be shown in multiple forms.

Point Form:

(10, 3)

Equation Form:

x = 10, y = 3

4 0
3 years ago
Read 2 more answers
What is the unit value of the 6 in 216
Marianna [84]
<span>What is the unit value of the 6 in 216 ?
</span>6 ones
8 0
4 years ago
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The spinner shown is divided into 8 equal sections. What is the probability that the arrow will land on a section labeled with a
Oxana [17]

The probability of the arrow will land on a section labeled with the number greater than 3 is \frac{5}{8}

Step-by-step explanation:

Given,

The spinner is divided into 8 sections say named 1, 2, 3, 4, 5, 6, 7, 8

To find the P : probability of the arrow will land on a section labeled with the number greater than 3

Formula

<u>P = (the number of possible outcomes) ÷ ( the number of total result)</u>

We will count the probability when the arrow land on either 4 or 5 or 6 or 7 or 8 = 5 times

Total number of result = 8

Hence the probability = \frac{5}{8}

8 0
4 years ago
Complete the solution of the equation. Find the
dimaraw [331]
The answer should be -8
4 0
4 years ago
Max observes the zoo and the library from a helicopter flying at a height of 2001/3 feet
satela [25.4K]

Answer:

option A

Step-by-step explanation:

option A 400 ft

is the correct answer of this question

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5 0
3 years ago
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