(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Mathematics

Solve : 
`34/[ 3x + 4y ] + 15/[ 3x - 2y ] = 5`

`25/[ 3x - 2y ] - 8.50/[ 3x + 4y ] = 4.5`

Solve:

x + y = 2xy

x - y = 6xy

Solve :
x+ y = 7xy
2x - 3y = - xy

Solve :
`a/x - b/y = 0`

`(ab^2)/x + (a^2b)/y = a^2 + b^2`

Solve : 
`[2xy]/[ x + y ] = 3/2`

`[xy]/[ 2x - y ] = -3/10`
x + y ≠ 0 and 2x - y ≠ 0 

Solve :
`3/(2x) + 2/(3y) = -1/3`

`3/(4x) + 1/(2y) = -1/8`

Solve for x : 2^2x+1 = 8

Solve for x : 2^5x-1 = 4 2^{3x + 1}

Solve for x:

`3^(4x  +  1) = (27)^(x  +  1)`

Solve for x : (49)^{x + 4} = 7² x (343)^{x + 1}

Find x, if : 4^2x = `1/32`

Find x, if : `sqrt( 2^( x + 3 )) = 16`

Find x, if : `( sqrt(3/5))^( x + 1) = 125/27`

Find x, if : `(root(3)( 2/3))^( x - 1 ) = 27/8`

Solve :  4^{x - 2} - 2^{x + 1} = 0

Solve : `[3^x]^2` : 3x = 9 : 1

Solve : 8 x 2^2x + 4 x 2^{x + 1} = 1 + 2^x

Solve: 

2^2x + 2^x+2 − 4 × 2³ = 0

Solve : `(sqrt(3))^( x - 3 ) = ( root(4)(3))^( x + 1 )`

Solve for x : 9^x+2 = 720 + 9^x