solve by substitution 4x 2y 10


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Substitution Method
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 (i) 12..
Substitution Method-Simultaneous Equations
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 (i) 12..
Methods to Solve Simultaneous Equations
Simultaneous Equations - Consider a linear equations in two variables , say, 3x - 2y = 5. It has an infinite number of solutions, some of these are x = 0, Consider a linear equations in two variables , say, 3x - 2y = 5. It has an..
Solve the system by substitution: 10x + 10y = 10012x = - 12y + 108
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}..
Solve the system of equations by substitution: 2x - y = 10, x - z = - ..
Solve the system of equations by substitution: 2 x - y = 10, x - z = - 1, and y = - 9 => x = 1 2 , y = -9, z = -3 or x = 1 2 , y = -9, z = 3 2 or ..
Select the order in which different properties are used to solve for x..
Select the order in which different properties are used to solve for x and y from the equations: x = y 3 x + y - 10 = 14 => Addition, Division, and Substitution or Addition and Division or Substitution..
Simultaneous Equations-Method of Elimination
Method of Elimination - 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 =..
Question 2
Question: Find the values of a so that x=1, y=2 is a solution of: (a) 2x+ay=10 (b) ax+2y=6 (c) x+2y=a Answer: (a) 2x+ay=10, substitute ..
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)..
Simultaneous Equations
Consider a linear equations in two variables , say, 3x - 2y = 5. It has an infinite number of solutions, some of these are x = 0, Consider a linear equations in two variables , say, 3x - 2y = 5. It has an infinite number of solut..
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