SOLUTION: Please I really need help with this equation 2u-9=7u+15-u-20 Could you show me step by step how to solve it

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Question 401645: Please I really need help with this equation
2u-9=7u+15-u-20
Could you show me step by step how to solve it
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Combine like terms on both sides to get

2u - 9 = (7u - u) + (15 - 20) = 6u - 5

Add -2u to both sides to get

-9 = 4u - 5

Add 5 to both sides to get
-4 = 4u --> u = -1.