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Example 2.37 from Elementary Algebra, 2.4 Use a General Strategy to Solve Linear Equations
Use a General Strategy to Solve Linear Equations: example 2.37
Solve:
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
Solution
Your turn
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Solve:
How did it go?