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AVprozaik [17]
2 years ago
12

Need help on this question

Mathematics
2 answers:
omeli [17]2 years ago
8 0

Answer:

Since AD bisects CD then 7x + 10 = 10x + 7, so 3 = 3x so x = 1

Hope this helps and brainliest please!

Sedaia [141]2 years ago
3 0

Answer:

A

Step-by-step explanation:

Hey There!

So these triangles are congruent so segment CD is equal to segment DB

so to find x we use the equation

7x+10=10x+7

now we solve for x

step 1 subtract each side by 7

10-7=3

7-7 cancels out

now we have 7x+3=10x

step 2 subtract each side by 7 x

10x-7x=3x

7x-7x= cancels out

now we have

3x=3

step 3 divide each side by 3

3/3=1

3/3 cancels out

now we have

x=1

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