3 years ago

Please help me solve this... I will mark you brainliest if it’s correct

Mathematics

1 answer:

Crank3 years ago

8 0

(5 + 7x + 6)/2 = 3x + 9

7x + 11 = 6x + 18

7x - 6x = 7

x = 7

EF = 3x + 9

= 3(7) + 9

= 21 + 9

= 30

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