If AD = 3x + 4 and CD = x + 6, what is the value of x?
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Since AD and CD are equivalent to each other, put them together in a equation where they equal each other.
AD=CD
3x+4=x+6
Subtract x from both sides
2x+4=6
Subtract 4 from both sides
2x=2
Divide 2 on both sides
Final Answer: x= 1