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gayaneshka [121]
3 years ago
12

Help plslsllsl its due tmr

Mathematics
1 answer:
olga55 [171]3 years ago
6 0
X=12.5
If the perimeter is 90
90=3x+3x+15
Combine like terms
90=6x+15
Subtracts 15 from both sides
75=6x
Divide by six to get x by itself
12.5=x
Does this help?
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