12x+34=45x+3
12x+34-12x=45x+3-12x
34=33x+3
34-3=33x+3-3
31=33x
—. —
33. 33
x= 31
—
33
(12x+65)(23+19x)=0
(12x+65)=0 (23+19x)=0
12x+65-65=0-65. .....
12x=-65. .....
—. —
12. 12
x = X=
12x+34=45x+3
12x+34-12x=45x+3-12x
34=33x+3
34-3=33x+3-3
31=33x
—. —
33. 33
x= 31
—
33
(12x+65)(23+19x)=0
(12x+65)=0 (23+19x)=0
12x+65-65=0-65. .....
12x=-65. .....
—. —
12. 12
x = X=