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3x2 system of equations solver plus#
And then from the second equation we have why minus two Z plus w equals negative one. We could write that as X equals Z plus W plus two. If we convert it back into a to an equation, we have X minus Z minus W equals two. It just tells us zero equals zero, which is great. The third row really doesn't give us anything. Okay, so here's our reduced Rochel on form. So we're going to write that down in arch in and then interpret our answer from that. And here's our reduced row echelon form for our matrix. Select that and back into the matrix menu Select Matrix A and press enter.
Once you have that done, go back to your home screen and then back into the Matrix menu over to math and scroll down until you find R R E f, which is reduced row echelon form. Okay, so with the calculator, we're going to go into the matrix menu over to edit Aah, Select matrix A and then type in the dimensions three by five and type in all the numbers from the Matrix As you see, I've already done. So I would type this matrix into my calculator and then have the calculator find the reduced row echelon form for me. And we are allowed to use a calculator to solve this problem. And for the third equation to x one y negative four z negative one w and three. So for the first equation one x one y negative three z zero w and one. We can still go through our normal pursuit procedures, which are two first change it into an augmented matrix. So we're looking for the intersection, and, um, the best we're going to be able to find is a relationship between the variables were definitely not going to get it down to just a new miracle solution with only three equations. Okay, We have here a system of three equations, but there are four unknowns in this system.