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yawa3891 [41]
3 years ago
11

If 5x + 1 = 21 then x =

Mathematics
2 answers:
Georgia [21]3 years ago
8 0

Answer:

x=4

Step-by-step explanation:

Start with your equation: 5x+1=21

Subtract 1 on both sides: 5x=20

Divide by 5 on both sides: x=4

Hope I helped

Advocard [28]3 years ago
7 0

Answer:

X would equal 4

Step-by-step explanation:

5 x 4 is 20. And the equation was 5x + 1 = 21.

So, the answer would equal 20. Hope this helped!! :D

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IF A 30-DAY SUBSCRIPTION IS $499 PLUS 8% TAX, BUT IS BEING PRORATED FOR 7 DAYS, PLUS THERE IS A $10 OFF COUPON, WHAT'S THE FINAL
damaskus [11]

Answer:

$519.61

Step-by-step explanation:

We add the 8% tax 23 days of subscription since prorated for 7 days [30 - 7 = 23].

How much is 23 days subscription if 30 days is 499?

\frac{30}{499}=\frac{23}{x}\\30x=23*499\\30x=11,477\\x=382.57

We add 8% of this to 499:

0.08 * 382.57 =30.51

So cost is:

499 + 30.61 = 529.61

Now we have $10 off, so final cost would be:

529.61 - 10 = $519.61

7 0
4 years ago
Can someone please help me find the equations for each graph using ax+by=c?
Blizzard [7]
The answer for this question is 4
4 0
3 years ago
Lines M and N are parallel. Find the value of x.
AVprozaik [17]

Answer: 42

Step-by-step explanation:

First of all, referencing the data given, lines M and N are definitely <u>not</u> parallel, and intersect.

However, considering the system included in the question, you may solve for x in a plethora of ways, assuming both expressions are complete, and equal to f(x).

4x - 24 = y

3x + 18 = y

Using the elimination method, consolidate these equations into:

x - 42 = 0

x = 42

Hope it helps :) and post a more complete question if this isn't the answer you were looking for.

7 0
3 years ago
9 x (-3) + (-15) ÷ 3
Galina-37 [17]

Answer:

-32

Step-by-step explanation:

9(-3) + (-15) ÷ 3 =

-27 + -5 = -32

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

8 0
3 years ago
Read 2 more answers
Y= -23 +9<br> y = 42 - 3<br><br><br> PLEASE HELP
Alisiya [41]

Answer:

y = -14

y = 39

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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