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Need help with number 12. Thanks

Need help with number 12. Thanks
asked 98.2k views
4 votes
Need help with number 12. Thanks

Need help with number 12. Thanks-example-1
asked
User Ilkay
by
8.7k points

1 Answer

3 votes
7x - 7 = 3x + 45
4x = 52
x = 13

7x - 7 = 7(13) - 7 = 84

y - 6 = 180 - (84 + 63)
y - 6 = 180 - 147
y - 6 = 33
y = 39

answered
User Julius Volz
by
8.5k points
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