solve by te he substitution method 8x 5y 43

The solution is x = -9 and y = -2. Solve 43x + 31y = 241 (i) 31x + 43y = 277 (ii) By adding (i) and (ii), we get 74x + 74y = 518 x + y = 7 (iii) By subtracting (ii) from ..

The solution is x = -9 and y = -2. Solve 43x + 31y = 241 (i) 31x + 43y = 277 (ii) By adding (i) and (ii), we get 74x + 74y = 518 x + y = 7 (iii) By subtracting (ii) from ..

Solve: 3x - 4y = 20 (i) 5x + 6y = 8 (ii) Multiply (i) by 3 and (ii) by 2: Adding the two, 19x = 76 Substituting x = 4 in (ii), we get 5(4) + 6y = 8 6y..

Question 1 - Question: Which of the following equations have x=2, y=3 as solution ? (a) 8x-y = 12 (b) 2x+3y = 10 Answer: (a) Substitute x=2, y=3 in 8x-y=12 8(2)-3=12 16-3=12 ..

Solve the linear system by using the substitution method and find the number of solutions. 3 x + y = -10 6 x - 5 y = -55 => Infinitely many solutions or Exactly one solution or No solution or None of the above..

Choose the equation wherein you would isolate a variable easily so that substitution method can be used to solve the linear system. - 5 x + y = -35 [Equation 1] 5 x + 4 y = 38 [Equation 2] => Equation 1 or Equ..

Use the substitution method to solve the linear system. 59 x + 15 y = 180 x - 5 y = 2 => (- 3, 1 5 ) or (3, 1 5 ) or (3, - 1 5 ) or (- 3, - 1 5 )..

Identify the equation wherein you would isolate a variable easily so that substitution method can be used to solve the linear system. b - a 3 = 8 [Equation 1] 12 a - 15 b = 0 [Equation 2] => Equation 1 and Equation 2 or Equation 2 only or Equation 1 only or N..

Choose the easiest method to solve the linear system. 5 x + 2 y = 16 x - 4 y = - 10 => substitution method or linear combination method..

Solving two equations simultaneously means to find the common solution of both the equations, i.e., a solution which satisfies both the equations. The following two methods are used to find a solution: (a) Method of elimination (b) Method of substi..