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(4.5y +9)-(6.2-3.1y)= 7.2y+2.8
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(4.5y +9)-(6.2-3.1y)= 7.2y+2.8

User Rebar
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1 Answer

6 votes

Answer:

0

Explanation:

(4.5y+9)-(6.2-3.1y)=7.2y+2.8

4.5y+9-6.2+3.1y=7.2y+2.8

4.5y+3.1y+9-6.2=7.2y+2.8

7.6y+2.8=7.2y+2.8

7.6y-7.2y=2.8-2.8

0.4y/0.4=0/0.4

y=0

I hope this helps

User Alex Krauss
by
4.7k points
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