badgirl80 badgirl80

25-10-2018
Mathematics

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3y+4y+6=20 can someone please help me with this

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Genius102 Genius102

25-10-2018

3y+4y+6=20

(3y+4y)+(6)=20

(Combine Like Terms)

7y+6=20

7y+6=20

Subtract 6 from both sides.

7y + 6 − 6 = 20 − 6

7y = 14

Divide both sides by 7.

7y/7 = 14/7

y = 2

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