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Alona [7]
3 years ago
5

How to solve vatiable equations 5x-7=7x-17

Mathematics
1 answer:
m_a_m_a [10]3 years ago
3 0
Let's get the same terms on the same side.
I am going to remove 5x from both sides of the equation by subtracting 5x

5x - 5x -7 = 7x -5x - 17
           -7 = 2x - 17   now lets remove the 17 from both sides
       -7 + 17 = 2x     (why do we add 17?  Think of 2x -17 as 2x +  -17.  Tor remove a negative number we add it.
Now we finally have     10=2x and if we divide both sides by 2

<u>10</u>  = <u>2x</u><u>
</u>2       2    we get that x = 5
<u />Let's check by substituting 5 in the original equation:
5(5) - 7 = 7(5) - 17
25 - 7 = 35 - 17
18      =       18
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OK, so is this a question?
5 0
3 years ago
Read 2 more answers
HELPPP RIGHT NOW PLEASEEEEE
Nadusha1986 [10]

The value of the variable x will be 37°. Then the measure of the angle ∠QNP will be 105°.

<h3>What is an angle?</h3>

The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.

Supplementary angle - Two angles are said to be supplementary angles if their sum is 180 degrees.

The measure of angles ∠MNQ = (2x + 1)° and ∠QNP = (3x - 6)°.

Then the value of x will be

We know that the angles ∠MNQ and ∠QNP are supplementary angles. Then the value of the variable x will be

∠MNQ + ∠QNP = 180°

(2x + 1)° + (3x - 6)° = 180°

5x - 5° = 180°

5x = 185°

x = 37°

Then the measure of the angle ∠QNP will be

∠QNP = [3(37) - 6]°

∠QNP = 111° - 6°

∠QNP = 105°

The value of the variable x will be 37°. Then the measure of the angle ∠QNP will be 105°.

More about the angled link is given below.

brainly.com/question/15767203

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4 0
2 years ago
Please Help!!!!
Zinaida [17]

Answer:

1 no association

Number 2 non inear

3 0
2 years ago
Help please, don't answer if you don't know. ill give brainiest
mixer [17]

Answer:

Width = 9 km

Step-by-step explanation:

Area is length*width, so to find the width, you divide the area by the length. 63/7 is 9.

3 0
3 years ago
110% of 90 is what?????????????????????????????
QveST [7]
110% of 90 is 99, 1.1*90=99
6 0
3 years ago
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