5x+12-8x=-24 steps by step please

Mathematics

2 answers:

kolezko [41]3 years ago

7 0

Step-by-step explanation:

<h2>=>first combine the like terms</h2>

5x-8x+12=24

-3x+12=24

<h2>=>substruct 12 from 12 and 24</h2>

-3x+12-12=24-12

-3x=12

<h2>=>divide -3 from both side</h2>

-3x/3=12/-3

Veseljchak [2.6K]3 years ago

6 0

Answer is x = 12 :)

Operations you're supposed to do in order to solve this equation are:

1. Combine like terms

2. Subtract 12 from both sides

3. Simplify

4. Divide both sides of the equation by the same term

5. Simplify.

(Demonstration is on the file I uploaded) <3

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A cell tower is located at and transmits a circular signal that covers three major cities. The three cities are located on the c

Lelu [443]

Answer:

$(x+8)^2 +(y-4)^2 = 25$

Step-by-step explanation:

Assuming this complete problem: "A cell tower is located at (-8, 4) and transmits a circular signal that covers three major cities. The three cities are located on the circle and have the following coordinates: G (-4, 7), H (-13, 4), and I (-8, -1). Find the equation of the circle"

For this case the generla equation for the circle is given by:

$(x-h)^2 +(y-k)^2 = r^2$

From the info we know that the tower is located at (-8, 4) so then h = -8 and k = 4, so then we need to find the radius. So we have the equation like this: $(x+8)^2 +(y-4)^2 = r^2$