SOLUTION: 3y+7=-4y

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Question 1082420: 3y+7=-4y
Answer by math_helper(2461) About Me  (Show Source):
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3y+7 = -4y
Subtract 3y from both sides:
3y + 7 - 3y = -4y - 3y
7 = -7y
Divide both sides by -7:
7/-7 = -7y/-7
-1 = y
Ans: y=-1