Question

1. (30-x)·x-(30-x+10)(x-6)=32
2. 3(25-x)-2(25+x)=5
3. 2x= frac{7}{4} (x+10)

Answer 1

1.$30x- x^{2} -30x+ x^{2} -10+180-6x+60-32=0=-6x+198$
$6x=198$
$x=198/6=33$
2.$75-3x-50-2x-5=-5x+20=0$
$5x=20$
$x=4$
3. $2x= frac{7}{4} x+ frac{70}{4}$
$frac{1}{4} x= frac{70}{4}$
$x=70$