Home
Class 14
MATHS
I. 2x-3y=- 3.5 IIgt 3x-2y =- 6.5...

I. ` 2x-3y=- 3.5`
IIgt ` 3x-2y =- 6.5`

A

`x gt y `

B

`x ge y`

C

` x lt y`

D

` x le y`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the system of equations: 1. **Equations Given:** \[ \text{I. } 2x - 3y = -3.5 \quad \text{(Equation 1)} \] \[ \text{II. } 3x - 2y = -6.5 \quad \text{(Equation 2)} \] 2. **Multiply the equations to align the coefficients of \(y\):** - Multiply Equation 1 by 2: \[ 2(2x - 3y) = 2(-3.5) \implies 4x - 6y = -7 \quad \text{(Equation 3)} \] - Multiply Equation 2 by 3: \[ 3(3x - 2y) = 3(-6.5) \implies 9x - 6y = -19.5 \quad \text{(Equation 4)} \] 3. **Set up the new system of equations:** \[ \text{III. } 4x - 6y = -7 \quad \text{(Equation 3)} \] \[ \text{IV. } 9x - 6y = -19.5 \quad \text{(Equation 4)} \] 4. **Subtract Equation 3 from Equation 4:** \[ (9x - 6y) - (4x - 6y) = -19.5 - (-7) \] \[ 9x - 4x = -19.5 + 7 \] \[ 5x = -12.5 \] 5. **Solve for \(x\):** \[ x = \frac{-12.5}{5} = -2.5 \] 6. **Substitute \(x\) back into one of the original equations to find \(y\):** - Using Equation 1: \[ 2(-2.5) - 3y = -3.5 \] \[ -5 - 3y = -3.5 \] \[ -3y = -3.5 + 5 \] \[ -3y = 1.5 \] \[ y = \frac{1.5}{-3} = -0.5 \] 7. **Final values:** \[ x = -2.5, \quad y = -0.5 \] 8. **Determine the relationship between \(x\) and \(y\):** \[ x < y \quad \text{(since } -2.5 < -0.5\text{)} \]

To solve the system of equations: 1. **Equations Given:** \[ \text{I. } 2x - 3y = -3.5 \quad \text{(Equation 1)} \] \[ \text{II. } 3x - 2y = -6.5 \quad \text{(Equation 2)} ...
Promotional Banner

Topper's Solved these Questions

  • DATA SUFFICIENCY AND DATA ANALYSIS

    IBPS & SBI PREVIOUS YEAR PAPER|Exercise Multiple choice question|126 Videos
  • NUMBER SYSTEM, AVERAGE & AGE

    IBPS & SBI PREVIOUS YEAR PAPER|Exercise MCQs|72 Videos

Similar Questions

Explore conceptually related problems

2x+3y=4 3x-y=5

4x-2y=3 6x-3y=5

2x+3y=0 3x+4y=5

3x - y= 5, 6x - 2y = 10 .

2x-y=1 ; 6x+3y=5

If 2 x + 3y = 12 and 3 x - 2y = 5 then

Add 2x - 3y + z , 5y - x + 7z and 3x - y - 6z.

The intercepts a, b of a stline on the co-ordinate axes are given by a + b=5, ab= 6 then the equation of line is 1. 2x-3y=6 2. 2x +3y -6 =0 3) 2x +3y +6 =04) 2x-3y +5=0