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QveST [7]
3 years ago
6

Solve for x: 3(x-5)+4x-2=4​

Mathematics
2 answers:
yanalaym [24]3 years ago
6 0
3x-15+4x-2=4
7x-17=4
7x=-13
x=-1.86
zysi [14]3 years ago
3 0

Answer:

x = 3

Step-by-step explanation:

3(x−5)+4x−2=4

Step 1: Simplify both sides of the equation.

3(x−5)+4x−2=4

(3)(x)+(3)(−5)+4x+−2=4(Distribute)

3x+−15+4x+−2=4

(3x+4x)+(−15+−2)=4(Combine Like Terms)

7x+−17=4

7x−17=4

Step 2: Add 17 to both sides.

7x−17+17=4+17

7x=21

Step 3: Divide both sides by 7.

7x

7

=

21

7

x=3

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IgorLugansk [536]

\dfrac{122}{11}=11.090909\ldots=11.\overline{09}\approx11.09

3 0
3 years ago
On a coordinate plane, parallelogram H I J K is shown. Point H is at (negative 2, 2), point I is at (4, 3), point J is at (4, ne
Mrrafil [7]
<h3>Answer:  Choice C.   (1,0)</h3>

============================================================

Explanation:

Point H is at (-2,2) and J is at (4,-2)

Focusing on the x coordinates, the midpoint is (x1+x2)/2 = (-2+4)/2 = 1.

The y coordinates have a midpoint of (y1+y2)/2 = (2+(-2))/2 = 0.

The midpoint is at (1,0). That's why the answer is choice C.

--------------------------

This next section is optional.

Points I and K are located at (4,3) and (-2,-3) respectively

Averaging the x coordinates gets us (x1+x2)/2 = (4+(-2))/2 = 1

Doing the same for the y coordinates gets us (y1+y2)/2 = (3+(-3))/2 = 0

We end up with the same midpoint (1,0)

The midpoint being the same for both diagonals proves that each diagonal is bisected, ie cut in half.

3 0
3 years ago
In Diagram 1, the value of x is what?
Bezzdna [24]

Answer:

x = 18.75

Step-by-step explanation:

The angles are alternate interior angles and alternate interior angles are equal when the lines are parallel

3x-10 = 65-x

Add x to each side

3x-10+x = 65-x+x

4x-10 = 65

Add 10 to each side

4x-10+10 = 65+10

4x = 75

Divide each side by 4

4x/4 = 75/4

x = 18.75

8 0
3 years ago
I need the answer pleas
dedylja [7]

Answer:

8.19

Step-by-step explanation:

6 0
3 years ago
Al<br> Is 4 to the third power bigger or 6 to the 2 power bigger
Effectus [21]

Answer:

4^3 is bigger

Step-by-step explanation:

4^3 is 64

6^2 is 36

4 0
4 years ago
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