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Can someone please help me with #1, -a-b pleaseee

Can someone please help me with #1, -a-b pleaseee-example-1

1 Answer

8 votes

Answer:

A - Isosceles

B - 9

Explanation:

(20x - 10)

factor out the 10 so now it is

10(2x - 1)

simplify 20x - 10

User Libjup
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