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The marked sides have equal lengths.
 
What is the value of x?

The marked sides have equal lengths. What is the value of x?-example-1

1 Answer

5 votes
4x+12=60
-12 -12
4x = 48
---- ----
4 4

X = 12


Check work:
4(12) + 12=60
48+12=60
60=60


X is equal to 12
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