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anygoal [31]
3 years ago
7

Zoe is solving the equation 3x-4=-10 for x solving for x

Mathematics
2 answers:
Arada [10]3 years ago
8 0

Answer:

x = -2

Step-by-step explanation:

Solve for x:

3 x - 4 = -10

Add 4 to both sides:

3 x + (4 - 4) = 4 - 10

4 - 4 = 0:

3 x = 4 - 10

4 - 10 = -6:

3 x = -6

Divide both sides of 3 x = -6 by 3:

(3 x)/3 = (-6)/3

3/3 = 1:

x = (-6)/3

The gcd of -6 and 3 is 3, so (-6)/3 = (3 (-2))/(3×1) = 3/3×-2 = -2:

Answer:  x = -2

Katena32 [7]3 years ago
8 0

Answer:

-2

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

set the two equations equal to each other

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add 6 to both sides

subtract 2y from both sides

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2 years ago
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Step-by-step explanation:

6 0
3 years ago
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What is the equation of this line?<br> (4,5)<br> (-2,-3)
Margaret [11]
Here, slope (m) = y2 - y1/x2-x1
m = 5 - (-3) / 4 - (-2)
m = 8 / 6
m = 4/3

Now, y-y1 = m(x-x1)
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y - 5 = 4x/3 - 16/3
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Hope this helps!
4 0
3 years ago
The ratio of x to y is 1/2 . If the ratio of x + 2 to y + 1 is 2/3 , then what is the value of x?​
Natali5045456 [20]

Answer:

x =4

Step-by-step explanation:

x/y = 1/2

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Cross multiply the first equation

2x = y

Put that value for y into the second equation.

(x + 2) / (2x + 1) = 2/3              Cross multiply

3(x + 2) = 2(2x + 1)                   Remove the brackets.

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6 = 4x - 3x + 2

6 = x + 2                                  Subtract 2 from both sides

6-2 = x

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5 0
3 years ago
Why is 1/8 cup equal to 1 fluid ounce
guapka [62]

Answer:

because there are 8 fluid ounces in a cup

Step-by-step explanation:

1/8 of cup = 0.125 cup = 1 fluid ounce

2/8 of cup = 0.25 cup = 2 fluid ounce

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5/8 of cup = 0.625 cup = 5 fluid ounce

6/8 of cup = 0.75 cup = 6 fluid ounce

7/8 of cup = 0.875 cup = 7 fluid ounce

8/8 of cup = 1 cup = 8 fluid ounce

hope i helped

5 0
3 years ago
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