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pshichka [43]
3 years ago
7

Can someone help quick

Mathematics
1 answer:
9966 [12]3 years ago
3 0

Step-by-step explanation:

22+2x+8= x+20

2x+30=x+20

x+30=20

x=-10

answer is -10

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Please explain how you got your answer (:
melisa1 [442]
I used math

anyway
remember you can do anything to an equation as long as you do it to both sides

so

4n+2 and 1/2=2n+5
minus 2n both sides
4n-2n+2 and 1/2=2n-2n+5
2n+2 and 1/2=0+5
2n+2 and 1/2=5
minus 2 and 1/2 both sides
2n=2 and 1/2
divide both sides by 2
I mean times both sides by 1/2
n=1 and 1/4

answer is C
6 0
3 years ago
Quadrilateral ABCD ​ is inscribed in a circle.
alexdok [17]
When a quadrilateral is inscribed in a circle, the opposite angles are supplementary.

x + 2 + 3x + 6 = 180
4x + 8 = 180
4x = 172
x = 43

Now solve for A
3(43) + 6 = A
129 + 6 = A
135 = A

The measure of angle A is 135 degrees.

Hope this helps =)
7 0
3 years ago
(-4)(5)+(-3)(-2) whats is it???
Vlada [557]

Answer:

-14

Step-by-step explanation:

(-4)(5)+(-3)(-2)

=-20+6

=-14

5 0
3 years ago
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nordsb [41]

Answer:  multiple them all together or add them

Step-by-step explanation:

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2 years ago
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Naddik [55]

Answer:

B is the answer

Step-by-step explanation:

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3 years ago
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