2x-3y rArr13*7x-7y rArr20

2x-3y=13; 7x-2y=20

If the solution of pair of linear equations 2x- 3y= 13 and 7x- 2y= 20 " is " x=2 and y= -3 , then the value of m for which y= mx+7 is _____

If the solution of pair of linear equation 2x - 3y = 13 and 7x - 2y = 20 is x = 2 and y = - 3, then find the value of m for which y = mx + 7.

If f(2x+3y ,2x-7y)=20 x ,t h e nf(x , y)e q u a l sdot 7x-3y 7x+3y 3x-7y (d) x-k y

The operation =rArr is defined by x=rArry=x+(x+1)+(x+2)…+y. For example, 3=rArr7=3+4+5+6+7. What is the vlaue of (100=rArr150)-(125=rArr150) ?

If f(2x+3y, 2x-7y)=20x, then f(x,y) equals :

If f(2x+3y, 2x-7y)=20x, then f(x,y) equals :

If f(2x+3y, 2x-7y)=20x, then f(x,y) equals :

If f(2x+3y, 2x-7y)=20x , then f(x, y) equals

Solve for x & y and find the value of 9x+3y : 2x+5y=13 7x-y=27