anonymous
  • anonymous
solve using elimination: u+v+w=6, u+2v+2w=11, 2u+3v-4w=3.....i keep getting the wrong answers according to wolf ram and i am not sure why
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
campbell_st
  • campbell_st
label your equations (1), (2), (3) and reduce the 3 equations to 2 equations in 2 unknowns.. Eliminate u Equation (1) - Equation (2) gives -v -w = -5 (4) 2 x Equation (1) - Equations(3) gives -v + 6w = 9 (5) Eliminate v -1 x Equation (4) + equation (5) = 7w = 14 Substitute to get the other pronumerals. My solution is u =1, v = 3 and w = 2
phi
  • phi
u+v+w=6, u+2v+2w=11, 2u+3v-4w=3 just the coefficients, in order u v w constant 1 1 1 6 1 2 2 11 2 3 -4 3 multiply the top row by -1 and add to the 2nd row ( we add -1 -1 -1 -6 to the 2nd row) 1 1 1 6 0 1 1 5 2 3 -4 3 multiply the top row by -2 and add to the 3rd row (we add -2 -2 -2 -12 to the 3rd row) 1 1 1 6 0 1 1 5 0 1 -6 -9 multiply the 2nd row by -1 and add to the 3rd row (add 0 -1 -1 -5 to the 3rd row) 1 1 1 6 0 1 1 5 0 0 -7 -14 backsolve (start at the bottom) w= -14/-7 = 2 v + 2= 5, v= 3 u+3+2=6, u = 1
anonymous
  • anonymous
Answer : u = 1 v= 3 w = 2

Looking for something else?

Not the answer you are looking for? Search for more explanations.