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charle [14.2K]
3 years ago
13

What is the solution to the equation 2n - 3 = 7

Mathematics
1 answer:
Svetlanka [38]3 years ago
4 0

Answer:

Step-by-step explanation:

2n-3=7

2n=4

n=4/2

4/2=2

N=2

Hope this helps!

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Natali5045456 [20]
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i think it is six.
EXPLANATION
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3 years ago
Given points A (-5, 6) and B (7, -1), find: Distance, Midpoint, and Slope
a_sh-v [17]
We have that
<span>points A (-5, 6) and B (7, -1)

Part A)
find the distance
d=</span>√[(y2-y1)²+(x2-x1)²]-------> d=√[(-1-6)²+(7+5)²]----> d=√(49+144)
d=√193  units

Part B)
find the midpoint
ABx=(x1+x2)/2-----> (-5+7)/2-----> ABx=1
ABy=(y1+y2)/2-----> (-1+6)/2-----> ABy=2.5

the midpoint is (1,2.5)

Part C)
find the slope
m=(y2-y1)/(x2-x1)-----> m=(-1-6)/(7+5)--------> m=-7/12

the slope m=-7/12
4 0
3 years ago
Question 5 of 20
Dmitry_Shevchenko [17]
I’m going to say B I could be wrong
3 0
2 years ago
How to graph y=2x-4 x+3y=9
NikAS [45]
  • Answer:

Step-by-step explanation:

  • The point form: (3,2)
  • You solve for X
  • You solve for y
  • On the Y-axis where the 2 is you go 3 to the right and put your point right there above the 3.
  • There you have your answer on the graph.
4 0
2 years ago
The value of x for which 3 (x-2) = 2 (x+1)​
netineya [11]

Answer:

x = 8

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

3(x - 2) = 2(x + 1)

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute:                                     3x - 6 = 2x + 2
  2. Subtract 2x on both sides:          x - 6 = 2
  3. Add 6 to both sides:                    x = 8

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in <em>x</em>:                    3(8 - 2) = 2(8 + 1)
  2. Subtract/Add:                      3(6) = 2(9)
  3. Multiply:                               18 = 18

Here we see that 18 does indeed equal 18.

∴ x = 8 is a solution to the equation.

7 0
2 years ago
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