Algebra-1

To determine the price of a pencil and a notebook, let's analyze the given information.

Let each pencil is set as x dollars and each notebook is y dollars.

Jane spent 4x dollars on buying 4 pencils and 3y dollars on buying 3 notebooks, with a total cost of 17 dollars, so the equation 4x + 3y = 17 can be listed;

Tom spent 3x dollars on buying 3 pencils and 4y dollars on buying 4 notebooks, with a total cost of 18 dollars, so the equation 3x + 4y = 18 can be listed.

1. From 4x + 3y = 17, we can get x = 

2. Substitute x = 

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