Bytelearn - cat image with glassesAI tutor

Welcome to Bytelearn!

Let’s check out your problem:

Find the solution of the system of equations.

{:[12 x-10 y=2],[-6x+7y=-11]:}

(◻,◻)

Find the solution of the system of equations.\newline12x10y=26x+7y=11 \begin{array}{l} 12 x-10 y=2 \\ -6 x+7 y=-11 \end{array} \newline(,) (\square, \square)

Full solution

Q. Find the solution of the system of equations.\newline12x10y=26x+7y=11 \begin{array}{l} 12 x-10 y=2 \\ -6 x+7 y=-11 \end{array} \newline(,) (\square, \square)
  1. Label Equations: Let's label the equations for easier reference:\newlineEquation (11): 12x10y=212x - 10y = 2\newlineEquation (22): 6x+7y=11-6x + 7y = -11\newlineWe will use the method of elimination to solve this system of equations. First, we need to make the coefficients of either xx or yy the same in both equations. We can do this by multiplying equation (2)(2) by 22 to match the coefficient of xx in equation (1)(1).
  2. Multiply Equation: Multiply equation (22) by 22: \newline2(6x+7y)=2(11)2(-6x + 7y) = 2(-11)\newline12x+14y=22-12x + 14y = -22\newlineNow we have a new equation (33):\newlineEquation (33): 12x+14y=22-12x + 14y = -22
  3. Add Equations: Add equation (11) and equation (33) together to eliminate xx: \newline(12x10y)+(12x+14y)=2+(22)(12x - 10y) + (-12x + 14y) = 2 + (-22)\newlineThe xx terms cancel out, and we are left with:\newline10y+14y=20-10y + 14y = -20\newlineThis simplifies to:\newline4y=204y = -20
  4. Solve for y: Divide both sides of the equation by 44 to solve for y:\newline4y4=204\frac{4y}{4} = \frac{-20}{4}\newliney=5y = -5\newlineWe have found the value of yy.
  5. Substitute and Solve: Now that we have the value of yy, we can substitute it back into one of the original equations to find xx. We will use equation (11):12x10(5)=212x - 10(-5) = 212x+50=212x + 50 = 2
  6. Solve for x: Subtract 5050 from both sides of the equation to solve for x:\newline12x+5050=25012x + 50 - 50 = 2 - 50\newline12x=4812x = -48
  7. Solve for x: Subtract 5050 from both sides of the equation to solve for xx: \newline12x+5050=25012x + 50 - 50 = 2 - 50\newline12x=4812x = -48Divide both sides of the equation by 1212 to solve for xx: \newline12x12=4812\frac{12x}{12} = \frac{-48}{12}\newlinex=4x = -4\newlineWe have found the value of xx.