Question

Sabendo que as retas r, s e t são paralelas determine o valor.
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Answer 1

d)5/x=4/12

4x=60

x=60/4

x=15

e)2x+2/8=4x-12/12

24x+24=32x-96

24x-32x=-96-24

-8x=-120×(-1)

8x=120

x=120/8

x=15