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What is the value of x?

What is the value of x?-example-1
User OrlandoL
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Answer:x=15

Step-by-step explanation: the one side = 81 cm, so the other one must as well. 81-56=25, so then you can simplify to 25=3x-20, which becomes, 45=3x, x=15

User Achoukah
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