solve by substitution

Solve 2x - 9y = 0 (i) x - 18y = 27 (ii) From (i) 2x - 9y = 0 2x = 9y (iii) Substituting this value of x in (ii), we get, 9y - 36y = 54 - 27y = 54 y = -2 Substitute this value of y in (iii): = - ..

Solve the system by substitution. 4 x + y = 5 - 16 x - 4 y = - 20 => (20.3, -76.2) or no solution or infinite solutions or (1, 1)..

Solve the system by substitution: 2 x + 6 y = 8 5 x = - 15 y + 25 => (3, 3) or No solution or Infinite solution or (15, 0)..

Solve the system by substitution: 3 x - y = 3, -6 x + 2 y = -6 => No solution or Infinitely many solutions or (2, 3) or (1, 0)..

Solve the system by substitution: 10 x + 10 y = 100 12 x = - 12 y + 108 => (100, 0) or No solution or (100, 10) or {( x , y ): 10 x + 10 y = 100}..

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 x=2, y=3 is not a solution of 8x-y=12 (b) Substitute x=2, y=3 in 2x+3y=10 2(2)+3(3)=10 4+9=10 x=2, y=3 is..

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..

Identify the equation wherein you would isolate a variable easily so that substitution method can be used to solve the linear system. 4 x + 7 y = 1 [Equation 1] x - 3 y = - 2 [Equation 2] => Equation 1 or Equation 2 or Both Equation 1 and Equation 2 or Neither Equation 1 nor Equ..

Choose the equation wherein you would isolate a variable easily so that substitution method can be used to solve the linear system. - x + y = 4 [Equation 1] 3 x - 6 y = -15 [Equation 2] => Neither Equation 1 nor Equation 2 or Equation 1 and Equation 2 or Equation 1 or Equation 2..

Solve the system of equations by substitution: x - 3 y + z = 0, 2 y + 3 z = 1, and z = - 2 => x = 25 2 , y = - 7 2 , z = -2 or x = 25 2 , y = 7 2 , z = -2 or x = - 25 2 , y =..