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sdas [7]
2 years ago
15

I need help SOMEONE PLZ HELP ME OUT WITH THIS !! THANK UU

Mathematics
1 answer:
Mama L [17]2 years ago
8 0

Answer:

since they are alternate exteriors, we put a equal sign

2x+78=5x+15

next we subtract 78 on both sides

2x+78-78=5x+15-78

2x=5x-63

then we subtract 5x on both sides

2x-5x=5x-5x-63

-3x=-63

after that we divide -3 on both sides

-3x/-3=-63/-3

and the answer is

x=21

Step-by-step explanation:

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