Question 515166: I am having trouble with elimination, is it possible you could explain it to me through this problem
Solve Each system by elimination
-3x+2y-5z=-3
3x-y+3z=4
3x+5y-8z=6
Answers:
one third,9,4
two third, 7,3
3,-7,-4
no solutions
Answer by scott8148(6628)   (Show Source):
You can put this solution on YOUR website! add the 1st and 2nd eqns to eliminate x ___ y - 2z = 1 (A)
add the 1st and 3rd eqns to eliminate x ___ 7y - 13z = 3 (B)
multiply eqn (A) by -7 and add to eqn (B) to eliminate y ___ z = -4
substitute back to find x and y
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