SOLUTION: My daughter has just started pre-algebra has homework and did not get to bring home book and father was not sure if he was telling her right. The problem is 6d+d+15

Question 19536: My daughter has just started pre-algebra has homework and did not get to bring home book and father was not sure if he was telling her right. The problem is 6d+d+15
Answer by MelanieBCC(40) (Show Source): You can put this solution on YOUR website!
First. turn it into an equation: becomes
Next, collect terms to get and use inverse operations to put constants on one side and variable on the other which becomes , then inverse operations again which becomes
A friend of mine who had trouble with this stuff said that it helped a lot when a teacher explained it like this:
The equal sign is like a fence between two neighbors. The Constants are the numbers that live in the one house, and the Variable is Mr. X, that crabby, cranky guy that doesn't want anyone in his yard. He wants to be left alone and is not happy until he's by himself. It's a little silly and simplistic, but it works for equations of one variable (as well as the inequalities) and might help.
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