Question

Решите пож1)4(x+2)-12x+1=15(x-1)+42

Answer 1

4(x+2)-12x+1=15(x-1)+42
4x+8-12x+1=15x-15+42
4x-12x-15x=-8-1-15+42
-23x=18
$x= -frac{18}{23}$

Answer 2

4х+8 -12х+1 -15х+15-42=0
-15х-12х+4х=-8-1-15+42
-23х=18
х= - 18/23 или х= - 0,782....