Ask a New Question

Question

Solve the system by either elimation or substitution:
x+8y=18
y=-2/7x-18/7
15 years ago

Answers

Jen
Putting the y in (substitution)..
x + 8(-2/7x-18/7)=18
x-16/7x-144/7=18
These fractions get ridiculous so I'm sure you can work it out from there. Get rid of the -144/7 by adding 144/7 to the right side. Then do x-16/7x. Then solve.
15 years ago

Related Questions

please help me!! Solve by elimination method: 3r - 5s = 6 5r + 3s = 44 I thought that I could do... How do you solve using the elimination method 0.3x-0.2y=4 0.5x+0.3y=-7/17 last one solve by the elim method 7r-3s=-7 3r+7s=59 how do i solve this? using elimination or substitution? 2x-3y=-1/12 y=-x+7/12 2x-y=1 x+y=14 solve by the elimination method Solve each system by using elimination. A) 3x + y = -2 C) 4x - y = 5 E) 3x - 2... Solve the system using the elimination method. 5x-2y=1 3x-4y=-19 Solve the system using the elimination method. $2x+y-z=9$ $-x+6y+2z=-17$ $5x+7y+z=4$ The... Solve the system using the elimination method. $3x+2y-z=8$ $-3x+4y+5z=-14$ $x-3y+4z=-14$...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use