luisa reads 2 pages of hee book every minute.At this rate,how many hours will it take her to read 300 pages?
1 answer:
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10. Infinitely many solutions:
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This equality is true for all x, thus the equation has infinitely many solutions.
11. The equation should have one solution x=-1.
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This equation will have solution x=-1 when
Therefore, the initial equation is
12. The equation should have infinitely many solutions.
Simplify it:
When this equation will have infinitely many solutions.