solve (7y=-1)+(-8y=-16)
56 LCM
100 rs ka gur 1.5kg toh 1kg gur kitne ka hoga
solve 7y=-1
-8y=-16
25'2"X9'+13'3"X9'
f (x) =½ x² + ¼ x -⅓, where f (-3)
3u^2-42uv+135v^2
(a+b)²
solve -4x+ 7y=-1
x-2y=-4
1.25x=x+8
