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Find the value of x.
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4 votes
Find the value of x.

Find the value of x.-example-1
User Joshua Rudd
by
3.3k points

2 Answers

1 vote

Answer:

c

Explanation:

User Tayllan
by
3.5k points
2 votes

7x+(13x-3)+(8x+15)=180

7x+13x-3+8x+15=180

28x+12=180

28x=180-12

28x=168

x=6

The answer is 6.

To check:

7(6)

42 degrees

13x-3

13(6)-3

78-3

75

75 degrees

8x+15

8(6)+15

48+15

63

63 degrees.

42+75+63=180

Therefore, x=6

User Slashdot
by
3.2k points
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