7x-3 (3x+5)=1-4 (4x-3)

Question

7x-3 (3x+5)=1-4 (4x-3)

Answer 1

7х-3(3х+5)=1-4(4х-3); 7х-9х-15=1-16х+12; -2х-15= -16х+13; -2х+16х=13+15; 14х=28; х=28:2; х=2.