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pochemuha
3 years ago
7

PLEASE HELP NEED DONE ASAP

Mathematics
2 answers:
Neporo4naja [7]3 years ago
7 0

Answer:

x = 12

Step-by-step explanation:

By the alternite intereor angle therom, the two expresions equel each other

8x - 15 = 3x + 45

8x -3x - 15 = 3x - 3x + 45

5x - 15 = 45

5x - 15 + 15 = 45 + 15

5x = 60

5x/5 = 60/5

x = 12

kupik [55]3 years ago
5 0

Answer:

8x-15=3x+45 alternate angle

8x-3x=45+15

5x=60

x=60/5=12

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