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1. write and solve each of the following linear equations.
a. ofelia has a certain amount of money. if she spends $12, thens he has 15 of the original amount left. how much money did ofelia have originally?
b. three consecutive integers have a sum of 234. what are the three integers?
c. gil is reading a book that has 276 pages. he already read some of it last week. he plans to read 20 pages tomorrow. by then, he will be of the way through
the book. how many pages did gil read last week?