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The following equations are given: Equation #1:3x+z+y=8 Equation #2:5yx=7 Equation #3:3z+2x2y=15 Equation #4:4x+5y2z=3 a. Is it possible to solve for any of the variables using

The following equations are given:

Equation #1:3x+z+y=8

Equation #2:5yx=7

Equation #3:3z+2x2y=15

Equation #4:4x+5y2z=3

a. Is it possible to solve for any of the variables using only Equation #1 and Equation #2? Explain your answer. If possible, solve for the variables using only equations #1 and #2.

b. Is it possible to solve for any of the variables using only Equation #1, Equation #2, and Equation #3? Explain your answer. If possible, solve for the variables using only equations #1, #2, and #3.

c. If you found solutions in part b, do these solutions also hold for Equation #4?

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