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Molodets [167]
3 years ago
12

What is the solution of the system ? Use substitution y=2x+7 y=x-1

Mathematics
1 answer:
astraxan [27]3 years ago
5 0
(-8,-9)

Explanation:

y=2x+7 ; y=x-1

x-1=2x+7

x-1-7=2x+7-7

x-8=2x

x-x-8=2x-x

x=-8

y=x-1

y=-8-1

y=-9
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Find the value of x, rounded to the nearest tenth. <br>a) 2.7<br>b) 4<br>c) 3.8<br>d) 2.9​
sertanlavr [38]
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2 years ago
Help ur boy out abcdefghijklmnopqrstuvwxyz
Umnica [9.8K]

Answer:

  1. (-6, 10)
  2. (-10, 9)
  3. (-11, -6)
  4. (-5, 1)

Step-by-step explanation:

<em>(x,y) → (x-8, y+4)</em>

1. (2, 6)

(2-8, 6+4)

<u>(-</u><u>6, 10)</u>

2. (-2, 5)

(-2-8, 5+4)

<u>(-10, 9)</u>

3. (-3, -10)

(-3-8, -10+4)

<u>(-11, -6)</u>

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4. (3, -3)

(3-8, -3+4)

<u>(-5, 1)</u>

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5 0
2 years ago
Point F is on line segment \overline{EG}
Dovator [93]

Answer:

EG = 13

Step-by-step explanation:

EG = EF + FG

EG = 4+ 9 = 13

5 0
3 years ago
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