If $2x + y = 23$ and $4x - y = 19$,find the values of $5y - 2x$ and $\frac{y}{x} - 2$.

  • A
    $31, -\frac{5}{7}$
  • B
    $33, -\frac{5}{7}$
  • C
    $37, -\frac{5}{3}$
  • D
    $41, -\frac{5}{7}$

Explore More

Similar Questions

From the pair of equations $x + 2y = 8 \dots(1)$ and $3x - 4y = -6 \dots(2)$,the first equation should be multiplied by ............. to eliminate $y$.

There are some coins of $25$ paise and some coins of $50$ paise in a box. There are in all $20$ coins and they amount to Rs. $7$. Find the number of coins of $25$ paise and $50$ paise each.

Find the value$(s)$ of $p$ for the pair of equations $2x + 3y - 5 = 0$ and $px - 6y - 8 = 0$ if the system has a unique solution.

Difficult
View Solution

Solve the following pairs of equations by the method of elimination:
$4x - 3y = 5$
$\frac{5}{2}x - y = 4$

The average age of Ina,Mina,and Dika is $x$ years. After $y$ years,what will be their average age?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo