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andrew-mc [135]
3 years ago
7

Solve 3x - 9x + 7 - 3 = -8. 6 -6 2 -2

Mathematics
1 answer:
alexgriva [62]3 years ago
5 0

Answer:

x=2

Step-by-step explanation:

  1. add like terms (3x-9x= -6x, 7-3= 4)
  2. then move the constant to the right (-8+4=-12)
  3. finally divide it by 6 which gives you "x"
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Given △XPS≅△DNF, find the values of x and y.
White raven [17]

Answer:

x = 3

y = 15

Step-by-step explanation:

If △XPS ≅△DNF, their corresponding sides would be congruent. This implies that:

XP ≅ DN

PS ≅ NF

XS ≅ DF

Given that:

XP = 4y - 3

DN = 57

NF = 51

XS = 17x + 3

DF = 54

Therefore:

XP = DN

4y - 3 = 57 (Substitution)

Add 3 to both sides

4y = 57 + 3

4y = 60

Divide both sides by 4

y = 60/4

y = 15

Also,

XS = DF

17x + 3 = 54 (substitution)

Subtract 3 from each side

17x = 54 - 3

17x = 51

Divide both sides by 17

x = 51/17

x = 3

4 0
3 years ago
How to solve 3+5 (c+3)=-17
BlackZzzverrR [31]
3 + 5(c + 3) = -17

First, subtract 3 from both sides. / Your problem should look like: 5(c + 3) = -17 - 3
Second, simplify -17 - 3 to get -20. / Your problem should look like: 5(c + 3) = -20
Third, divide both sides by 5. / Your problem should look like: c + 3 =  -\frac{20}{5}
Fourth, simplify \frac{20}{5} to 4. / Your problem should look like: c + 3 = -4
Fifth, subtract 3 from both sides. / Your problem should look like: c = -4 - 3
Sixth, simplify -4 - 3 to get -7. / Your problem should look like: c = -7

Answer: c = -7

4 0
3 years ago
Read 2 more answers
Can someone plz help me on this plz I beg u
AfilCa [17]

Answer:

8

Step-by-step explanation:

So, lets go over a few things:

First off, all triangles have a total angle of 180 degrees.

Secondly, we know that the first two angles are 57 and 51.

Thirdly, we know that the missing angle is 9x

To solve this, we must add together the known angles, subtract them fro 180, and divide that by 9. This will give us the missing x value.

So, add together the two angles we know:

57+51

=

108

So we know 108 degrees of our triangle. We must find whats left of the 180.

To do this, subtract 108 from 180:

180-108

=

72

So our remaining angle is 72 degrres.

But recall that x isnt the misisng angle, 9x is.

So, to get x on its own, we must divide both the missing angle and 9x by 9:

72=9x

---  ---

9   9

=

8=1x

So now we know that x equals 8.

I hope this helps! :)

8 0
3 years ago
Read 2 more answers
christen made $987 in tips last year $5,891 in wages and earned $786 in interest income what was her gross income lat year.
stiks02 [169]
Her gross Income was $7664

with gross Income just add up every dollar she earns NEVER WHAT SHE SPENDS
6 0
3 years ago
Carmen sells electronics. She made a 10% commission on every dollar sale that she makes. One month Carmen got a commission check
777dan777 [17]

Answer:

Carmen made $25,000 in sales in the month.

Step-by-step explanation:

To find the total number of sales, start with the amount she made in commission and then divide by the percentage of commission that she makes.

$2,500/10% = $25,000

7 0
3 years ago
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