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lyudmila [28]
2 years ago
7

7x - 3= -3 + 7x Can someone explain

Mathematics
2 answers:
labwork [276]2 years ago
8 0
Subtract 7x on both sides of the equal sign (it'll cancel out) then -3=-3 which makes a true statement.
Paladinen [302]2 years ago
5 0

Answer: Solve for x

Any value of x makes the equation true.

All real numbers

Interval Notation:

(−∞,∞)

Step-by-step explanation:

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lana66690 [7]

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111 miles

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Find the real solution(s) by solving for x (round any decimals to the nearest 100th);<br> 5x = 320
baherus [9]

Answer:

x=64

Step-by-step explanation:

5x = 320

Divide each side by 5

5x/5 = 320/5

x=64

6 0
3 years ago
Read 2 more answers
JUST HELP ME By what percent will the product of two numbers
Salsk061 [2.6K]

Answer:

The product of the original numbers: xy

The product of the altered numbers (.75x)(.5y), or 0.375xy

The product has decreased by 1 - 0.375, or 0.625, or 62.5%

6 0
3 years ago
PLZ HELP ASAP AREA OF A SECTOR
const2013 [10]
The fraction of a circle represented by the shaded region is:
 S '/ S = ((8/5) * pi * r) / (2 * pi * r)
 Rewriting we have:
 S '/ S = ((8/5)) / (2)
 S '/ S = 8/10
 S '/ S = 4/5
 Then, we can make the following rule of three:
 (64/5) pi -------> 4/5
 x ----------------> 1
 Clearing x we have:
 x = ((1) / (4/5)) * ((64/5) pi)
 Rewriting:
 x = (5/4) * ((64/5) pi)
 x = (5/4) * ((64/5) pi)
 x = 50.24
 Answer:
 
The area of the complete circle is:
 
x = 50.24
4 0
3 years ago
What is m CBT? Use a protractor to help you.
AnnyKZ [126]
M∠CBT is not 120°.

You have to notice the start of the measure of the angle is on the point of C. It is the 0°.

If the segment BT is straight up from the point of B, its angle will be 90°. 

Since the segment does not form a right angle, its measure of angle is less than 90° but more than 0°
8 0
3 years ago
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