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pogonyaev
3 years ago
6

X =2y - 4 x + 5y = -66 what is the x - value of the solution to this system of equation

Mathematics
1 answer:
stich3 [128]3 years ago
3 0

Answer:x=-8 and y=-2

Step-by-step explanation:plug in for x.7(2y-4)+5y=6-6614y-28+5y=-6619y-28+-6619y=-38y=-2put it back in.

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I don't get this question
vichka [17]
About $1.80 because 8.7590 divide by 4.80 is about$1.80
4 0
4 years ago
Evaluate: 9 + x/5 for x = 30 15 16 17 18
mart [117]

<u>Answer:</u>

\bold{9+\frac{x}{5}=15}

<u>Solution:</u>

Given: x=30

To solve: 9+\frac{x}{5}

On substituting the value of x,

9+\frac{30}{5}

On dividing 30 and 5 we get,

\Rightarrow 9+6 = 15

So, the option is 15.

7 0
3 years ago
Can somebody help, will give brainliest
grigory [225]

9514 1404 393

Answer:

  • c = 2
  • segments 10, 8, 6 (top down)

Step-by-step explanation:

The sum of top and bottom bases is twice the midsegment.

  (c² +6) +(c² +2) = 2(4c)

  2c² -8c +8 = 0 . . . . . . . . . subtract 8c

  2(c -2)² = 0 . . . . . . . . factor

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The value of c is 2; the segment lengths (top-down) are 10, 8, 6.

5 0
3 years ago
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mrs_skeptik [129]

Answer:

5 1/3 gallons

Step-by-step explanation:

Equation: 8 1/6 - 2 5/6

8-2=6

1/6-5/6= -4/6

6-4/6=5 2/6

Simplify:

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7 0
3 years ago
Use the distributive property to simplify 27-9x+15y
faust18 [17]
27-9x+15y=3(9-3x+5y)
6 0
4 years ago
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