Question

i need significant help plz

Answer 1

Answer:

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Answer 2

Answer:

5) 10 6)80

Step-by-step explanation:

5) 10x+45=145

10x=145-45

10x=100

x=100/10

x=10

6) angle KJX= angle K + angle L

x+20=60+40

x+20=100

x=100-20

x=80