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Ganezh [65]
3 years ago
15

Find the solution of the system of equations. -10x-y=27 -4x-y=9

Mathematics
2 answers:
AlekseyPX3 years ago
6 0

Answer:

x=−1/10 y+ −27/10

x=−1/4 y+ −9/4

Step-by-step explanation:

−10x−y=27

Step 1: Add y to both sides.

−10x−y+y=27+y

−10x=y+27

Step 2: Divide both sides by -10.

−10x /−10= y+27 /−10

x=−1/10 y+ −27 /10

−4x−y=9

Step 1: Add y to both sides.

−4x−y+y=9+y

−4x=y+9

Step 2: Divide both sides by -4.

−4x /−4= y + 9/−4

x= −1/4 y + -9/4

bogdanovich [222]3 years ago
4 0

Answer:

(-3,3)

Step-by-step explanation:

y=3

x=−3

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3298/12 =274.84

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2 years ago
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Six students are working to simplify the expression shown.
krok68 [10]

<u>Equivalent and Fully Simplified:</u>

8+7x+4y

<u>Equivalent and not fully simplified:</u>

8+12x-5x+4y

15+7x+4y-7

<u>Note Equivalent:</u>

15-7x-4y

8+17x+4y

8+11y

Step-by-step explanation:

Given expression is:

15+12x-5x+4y-7

We will simplify the expression one by one

8+12x-5x+4y

8+7x+4y

Now we can categorize the expressions in boxes given below

<u>Equivalent and Fully Simplified:</u>

8+7x+4y

<u>Equivalent and not fully simplified:</u>

8+12x-5x+4y

15+7x+4y-7

<u>Note Equivalent:</u>

15-7x-4y

8+17x+4y

8+11y

Keywords: Expressions, simplification

Learn more about expressions at:

  • brainly.com/question/2131336
  • brainly.com/question/2150928

#LearnwithBrainly

<u></u>

6 0
3 years ago
Please help me out with my maths I would really appreciate it ​
garik1379 [7]

Answer:

a.

1. The rule in this sequence is (+5) every next pattern

2. 22, 27, 32, 37

3. 42

4. 12 term

5. 67

b.

1. The rule in this sequence is (-3) every next pattern

2. -7, -10, -13, -16

3. -16

4. 13 term

5. -37

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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