x = y - 4
-2x + 3y = 6
a boy bought a car for rs 23456 and he sells the car at rs x find the sp if profit is 10 percent
7x + 2y = -19
-x + 2y = 21
×1 $^{}$
factorise
x^2-16y^2
x = -y
3x + 4y = -8
3:3
3x^2+2x+4x^2+5x-7
y = -3x + 4
y = -5x - 17
14+3x<x-6
