3 years ago

Pls help me on this question:)

Mathematics

1 answer:

r-ruslan [8.4K]3 years ago

5 0

Answer:

x= 28

Step-by-step explanation:

The angles both sum up to 180°. So, the equation would be: 39+(5x+1)= 180.

Step 1- Add common numbers.

(39+1)+5x= 180

40+5x= 180

Step 2- Subtract 40 to both sides.

40+5x= 180

-40 -40

5x= 140

Step 3- Divide both sides by 5.

5 5

x= 28

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