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postnew [5]
3 years ago
13

10 - 2x = 19x +2 - 5x

Mathematics
2 answers:
Gennadij [26K]3 years ago
8 0
If you need help with solving equations like this just use the app Socratic because it scans it, gives the correct answer and the explanation as to why
Darina [25.2K]3 years ago
3 0

Answer:

x = 1/2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

10−2x=19x+2−5x

10+−2x=19x+2+−5x

−2x+10=(19x+−5x)+(2)(Combine Like Terms)

−2x+10=14x+2

−2x+10=14x+2

Step 2: Subtract 14x from both sides.

−2x+10−14x=14x+2−14x

−16x+10=2

Step 3: Subtract 10 from both sides.

−16x+10−10=2−10

−16x=−8

Step 4: Divide both sides by -16.

−16x/−16 = −8/−16

x = 1/2


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1) A rectangle has the lengths shown <br> Find the perimeter of the rectangle.
maks197457 [2]

Hi there! :)

\large\boxed{P = 32cm}

Find the perimeter by solving for y.

We know that a rectangle contains two pairs of parallel and congruent sides, therefore:

5y - 1 = 2y + 8

We can solve for y using this expression. Begin by subtracting 2y from both sides:

5y - 2y - 1 = 2y - 2y + 8

3y - 1 = 8

Add 1 to both sides:

3y - 1 + 1 = 8 + 1

3y = 9

Divide both sides by 3:

y = 3

Recall that the perimeter of a rectangle is:

P = 2l + 2w

Plug in the given expressions for the side lengths to find one equation:

P = 2(5y - 1) + 2(y - 1)

Simplify by distribution:

P = 10y - 2 + 2y - 2

Combine like terms:

P = 12y - 4

Plug in the solved value of y into this equation:

P = 12(3) - 4

P = 36 - 4

P = 32 cm.

3 0
2 years ago
At the park, there is a triangular sandbox with base = 12ft and height = 4ft. A drawing of the sandbox is shown above. Brie want
sammy [17]

Your question is not clear, but it looks as though you want to know how Brie can make a similar sandbox with base = 8ft.

Answer:

For Brie to make a similar sandbox, he must use a base = 8ft, and height = (8/3)ft

Step-by-step explanation:

It is possible for Brie to make a similar triangular sandbox with base = 12ft and height = 4ft.

All he must ensure is that the ratio of base to height of the original sandbox is the same ratio of base to height of the one he is trying to make.

The original sandbox is 12:4

Because he wants to use a base = 8ft, the sandbox he is trying to make is 8:x

Where x is the height of the sandbox he is trying to make.

Then for these sandboxes to be similar, the ratio 12:4 = 8:x

=> 12/4 = 8/x

12x = 8 × 4

12x = 32

x = 8/3

The height must be (8/3)ft

3 0
3 years ago
A box covers an area of 612
Step2247 [10]
Question is unclear to me ,, can you rewrite it in a nicer way so i can answer?
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2 years ago
I will give brainliest to the first one to say (hey)
nirvana33 [79]
Hey. ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ

7 0
3 years ago
Read 2 more answers
What is the factorise 12x+8
34kurt
<span>12x+8
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