Explain how you can determine that the following system has one unique solution – without actually solving the system. 2x+y = 4
2y = 6 - 2x

The only way to identify an intercept is as an ordered pair. true false

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Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers