Bytelearn - cat image with glassesAI tutor

Welcome to Bytelearn!

Let’s check out your problem:

Solve using elimination.\newlinex+9y=9-x + 9y = -9\newlinex+4y=17x + 4y = -17\newline(_____, _____)

Full solution

Q. Solve using elimination.\newlinex+9y=9-x + 9y = -9\newlinex+4y=17x + 4y = -17\newline(_____, _____)
  1. Write Equations: Write down the system of equations.\newlinex+9y=9-x + 9y = -9\newlinex+4y=17x + 4y = -17
  2. Add Equations: Add the two equations together to eliminate xx.(x+9y)+(x+4y)=(9)+(17)\left( -x + 9y \right) + \left( x + 4y \right) = \left( -9 \right) + \left( -17 \right)
  3. Combine Terms: Perform the addition to eliminate xx and combine like terms.x+x+9y+4y=917\,-x + x + 9y + 4y = -9 - 170x+13y=26\,0x + 13y = -26
  4. Solve for y: Solve for y.\newline13y=2613y = -26\newliney=2613y = -\frac{26}{13}\newliney=2y = -2
  5. Substitute and Solve: Substitute y=2y = -2 into one of the original equations to solve for xx. We'll use the second equation: x+4y=17x + 4y = -17.\newlinex+4(2)=17x + 4(-2) = -17
  6. Final Solution: Perform the multiplication and solve for xx.x8=17x - 8 = -17x=17+8x = -17 + 8x=9x = -9

More problems from Solve a system of equations using elimination