Using complete sentences, explain which method you would use to solve the following system of equations and why. In your answer, include the solution to one of the variables and how you found it using the method you chose.

2x + y + z = -7
x - 3y + 4z = -14
x - 2y - 3z = -11

Question

Using complete sentences, explain which method you would use to solve the following system of equations and why. In your answer, include the solution to one of the variables and how you found it using the method you chose.

2x + y + z = -7
x - 3y + 4z = -14
x - 2y - 3z = -11

triciaal · Answer

suggest substitution 
2 of the 3 already has the same variable with a coefficient of one 
write expression for x  using the second and third equations substitute in the first and set 2x  equal  2x  compare and read the values for y and z

triciaal · Answer

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