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seropon [69]
3 years ago
10

SOMEONE HELP ME PLEASE AND SHOW WORK

Mathematics
1 answer:
Serhud [2]3 years ago
5 0
A) 57

9x-15=(4x+10)+15
9x-15=4x+25
5x-15=25
5x=40
x=8

Plug in 8 for x:

9x-15
=9(8)-15
=72-15
=57
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