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3 votes
-2(y-1)=9 what is the answer

2 Answers

6 votes
Exact form: -7/2. Decimal form: -3.5 Mixed number form: -3 1/2
User Ljm Dullaart
by
5.0k points
2 votes

-2(y-1) = 9

Use distributive property:

-2y + 2 = 9

Subtract 2 from both sides

-2y = 7

Divide both sides by-2:

Y = -7/2

User DmitryG
by
5.7k points