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neonofarm [45]
4 years ago
11

3x + 5 = x - 3 whats the answer?

Mathematics
2 answers:
Elena L [17]4 years ago
8 0

Answer:

<h2>x = -4</h2>

Step-by-step explanation:

3x+5=x-3\qquad\text{subtract 5 from both sides}\\\\3x+5-5=x-3-5\\\\3x=x-8\qquad\text{subtract}\ x\ \text{from both sides}\\\\3x-x=x-x-8\\\\2x=-8\qquad\text{divide both sides by 2}\\\\\dfrac{2x}{2}=\dfrac{-8}{2}\\\\x=-4

tester [92]4 years ago
5 0

Hello!

Here are the steps to your problem:

3x + 5 = x - 3

3x -x = -3 -5

2x = -8

x = -4

I hope this helps you! Have a lovely day!

-Mal

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A neutral atom contains equal amount of proton and electron.

A negative ion contains extra electrons hence there is additional outer shell so it is expected that the radius is bigger than that of a neutral atom.

While a positive ion contains less electron so there is less outer shell so the radius is smaller than that of a neutral atom.

 

Arranging the radius in increasing order:

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4 0
3 years ago
Graph each inequality y-3x&lt;-4
stealth61 [152]

graph each inequality y-3x<-4

First we solve the inequality for y

Add 3x on both sides, so inequality becomes

y < 3x -4

Now we graph it

for graphing , replace < symbol with = sign

y= 3x - 4

Now make a table, assume some number for x  and find out y

x         y

-1       y=3(-1)-4 = -7

0       y=3(0)-4 = -4

1       y=3(1)-4 = -1

Now plot (-1,-7), (0,-4) ,(1,-1) on graph

Join all the points and make a dotted line ( dotted line for <  or > symbol)

now we do shading

for < symbol we shade down

for > symbol we shade up

The graph is attached below







3 0
3 years ago
−2x+2y−3z=
ziro4ka [17]

Answer:

um

Step-by-step explanation:

5 0
3 years ago
Logan, a sales clerk in a book store, earns a base salary of $1,700 per month plus a commission of 5 percent on monthly sales ov
shepuryov [24]
1,700+.05(X-600)=2,100
-1700. -1700
.05(X-600)= 400
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5 0
4 years ago
How can 7 1/5+(-8 3/5) be expressed as the sum of its integer and fractional parts
Nadya [2.5K]

Answer:

see the explanation

Step-by-step explanation:

we know that

A mixed number is the sum of a integer and a fractional part

we have

7\frac{1}{5}+(-8\frac{3}{5})

so

7\frac{1}{5}=7+\frac{1}{5}

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substitute

7+\frac{1}{5}+(-8-\frac{3}{5})

Group terms

(7-8)+(\frac{1}{5}-\frac{3}{5})

(-1)+(-\frac{2}{5})

-1\frac{2}{5}

6 0
3 years ago
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