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Goryan [66]
3 years ago
7

How many solutions does 2(b+3)-17=3b-7+b I really need help thanks!

Mathematics
2 answers:
Ymorist [56]3 years ago
8 0

Answer:

One solution

Step-by-step explanation:

Group like terms: 2\left(b+3\right)-17=3b+b-7

\mathrm{Add\:similar\:elements}\:3b+b=4b: 2\left(b+3\right)-17=4b-7

Simplify: 2b-11=4b-7

Add 11 to both sides

Simplify: 2b=4b+4

Subtract 4b from both sides

Simplify: -2b=4

Divide

And finally, you get -2

Leave a brainliest if this helped!

valentinak56 [21]3 years ago
6 0

Answer:

1 solution

Step-by-step explanation:

Since this is a first-order equation, with only the first power of b showing, the maximum number of solutions is 1.

If we actually "do the math," we get:

2b + 6 - 17 = 3b - 7 + b

which simplifies to 2b - 11 = 4b  - 7, or 2b = 4, which yields b = 2.

Again:  1 solution.

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A first number plus twice a second number is 11. Twice the first number plus the second totals 16. Find the numbers.
satela [25.4K]
<h3><u>The first number, x, is equal to 7.</u></h3><h3><u>The second number, y, is equal to 2.</u></h3>

x + 2y = 11

2x + y = 16

We can subtract 2y from both sides of the first equation to get a value for x.

x = 11 - 2y

Because we have a value for x, we can plug it into the second equation.

2(11 - 2y) + y = 16

Distributive property.

22 - 4y + y = 16

Combine like terms.

22 - 3y = 16

Subtract 22 from both sides.

-3y = -6

Divide both sides by -3.

y = 2

Now that we have a value for y, we can plug it into either equation to solve for x.

x + 2(2) = 11

x + 4 = 11

Subtract 4 from both sides.

x = 7



4 0
3 years ago
A number c minus 7.3 is less than 6. write this word sentence as an inequality?
chubhunter [2.5K]

Answer:

c - 7.3 < 6

Step-by-step explanation:

c - 7.3 is less than 6

less than is the same as <

So c - 7.3 < 6

-Chetan K

7 0
2 years ago
Read 2 more answers
The mass of a bag of potatoes is 860 kg round to the nearest 10kg. i) Give the upper and lower bounds for the mass.
MrMuchimi

Answer:

  • Lower bound ⇒ 855 kg
  • Upper bound ⇒ 865 kg

Step-by-step explanation:

The upper bound is the highest number that a figure can be to be rounded off to the rounded figure.

The lower bound is the lowest number that a figure can be to be rounded odd to the rounded figure.

The lower bound of 860 to the nearest 10 is;

= 855 kg

855 is the lowest figure that can be rounded up to 860.

The Upper bound is;

= 865

865 is the highest figure because no figure above this can be rounded to 860.

<em>855 kg ≤ 860 kg < 865 kg</em>

4 0
3 years ago
The endpoints of four segments are given below. Which segment has the greatest length?
Svet_ta [14]
Line segment AB is 4 units
Line segment CD is \sqrt{5^{2}*2^{2} }  =  \sqrt{29}
Line segment MN is 6 units
Line segment PQ is 7 units

The line segment of greatest length is PQ

3 0
3 years ago
PLEASE HELP!!! ILL GIVE BRANLIEST *EXTRA POINTS* dont skip :((
Elza [17]
The answer is B.

a) pi + 1 = 4.14
b) square root of 24 = 4.89
c) 9/2 = 4.5
d) 4.2 = 4.2

Therefore 4.89 is the greatest number.

Hope this helps:)
6 0
3 years ago
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