mmariee mmariee

05-09-2017
Mathematics

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Solve each equation and check your solution5y-4=9y+8

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kphung76127 kphung76127

05-09-2017

5y-4=9y+8

Subtract 5y from both sides
-4=4y+8

Subtract 8 from both sides
-12=4y

Divide both sides by 4
-3=y

Check by plugging it in:
5(-3)-4=9(-3)+8
-15-4=-27+8
-19=-19
True

Final answer: y=-3

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