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nydimaria [60]
3 years ago
9

What value of w makes the equation true? Please explain: -10w + 12= -9w +13

Mathematics
1 answer:
Gennadij [26K]3 years ago
8 0

Answer:

w= −1

Step-by-step explanation:

Let's solve your equation step-by-step.

−10w+12=−9w+13

Step 1: Add 9w to both sides.

−10w+12+9w=−9w+13+9w

−w+12=13

Step 2: Subtract 12 from both sides.

−w+12−12=13−12

−w=1

Step 3: Divide both sides by -1.

−w/-1 = 1/-1  

w= −1

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prohojiy [21]
Answer = a

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3 0
3 years ago
Solve this system of linear equations. Separate the x- and y-values with a comma.
vodomira [7]

Answer:

x = \frac{5}{2}, y = \frac{5}{4}

Step-by-step explanation:

1. Isolate for x in one of the equations:

2x = 9x - 14y

2x-9x = 9x-9x -14y

-7x = -14y

-7x/-7 = -14y/-7

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2. Substitute 2y in for x in the second equation:

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3. Simplify:

18y = 40 - 14y

4. Isolate for y:

18y+14y = 40 -14y+14y

32y = 40

32y/32 = 40/32

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hope this helps!

7 0
2 years ago
7 yards and 2 feet is equal to how many feet
alisha [4.7K]
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3 0
3 years ago
Read 2 more answers
Order the following numbers from least to greatest. √11, -0.4, (-4/3), 0.8, √2
agasfer [191]

Answer:

(-4/3), 0.4, 0.8, √2, √11

Step-by-step explanation:

√11=3.316624790355399849114932736670686683927088545589353597058

0.4

(-4/3) = -1.33333333333333333333333333333333333333333333333333333333

0.8

√2=1.414213562373095048801688724209698078569671875376948073176


Thus :

(-4/3)

0.4

0.8

√2

√11

8 0
4 years ago
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Shalnov [3]
Use a system of equations.

(x=# of small dogs, y=# of big dogs)

x+y=9 (times by -5) -5x-5y=-45
5x+8y=51

Then add the equations together and the x's cancel. 

3y=6
y=2

So he walked 2 big dogs and 7 little dogs.
6 0
3 years ago
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