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24-06-2021
Mathematics

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24-06-2021

[tex]\frac{1}{2} x+6(x+15)=12\\\\\frac{1}{2} x+6x+90=12\\\\6\frac{1}{2} x+90=12\\6\frac{1}{2} x=-78\\x=-12[/tex]

[tex]y=x+15\\y=-12+15\\y=3[/tex]

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