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pogonyaev
3 years ago
7

X/2 - 5 = 10 what does x equal?​

Mathematics
2 answers:
Viefleur [7K]3 years ago
6 0

Answer:

x=30

Step-by-step explanation:

const2013 [10]3 years ago
4 0

Answer: 30

Step-by-step explanation:

x/2-5= 10

x-10=20 multiply both sides by 2

x=30     add ten to the missing sides

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If y = 12 when x = 6, determine y when x = 18 write an equation
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If y=12 when x=6, then y=36 when x=18 by the equation y=2x.
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3 years ago
the width of a piece of rectangular land is 5m shorter rhan 1/3 of its length .find the width of the land if the length is 60m,1
aniked [119]

Answer:

If width = 60 m, length = 195 m.

If width = 150 m, length = 465 m.

Step-by-step explanation:

The area of a rectangle is l * w or length times width.

So we can set an equation (letting w = width and x = length)

w = 1/3x - 5

Part 1: width = 60m:

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Part 2: width = 150 m:

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6 0
3 years ago
How to set up a system of equations
Scorpion4ik [409]

To set up your system of equations is to have 2 equations. They both would have 1 similar variable. For example, Jenny is 5 more her brother's age. She is also 2 more than twice her brother's age. You would set this up as Y, which is Jenny, and X, her brother. Y = 5 + x and Y = 2x + 2. Make sure you put Y in the same spot in both equations. Then take the other half of the equations and simplify them. 5 + x = 2x + 2. Subtract x from both sides to get 5 = x + 2. Subtract 2 from both sides to get 3 = x. Now replace the X from both equations to get Y = 5+3, and Y = 2(3) + 2. You will see both add up to 8, which is how old Jenny is in this example. Hope this helped!

4 0
3 years ago
Factor completely.<br> 18x10-2
kow [346]

Answer:

178

Step-by-step explanation:

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