-2x+1+5x-10=-12+4x+1;
3x-9=-11+4x;
2=x или x=2.
-2x + 1 + 5(x-2) = -4(3-x) + 1
-2х + 1 + 5х - 10 = -12 + 4х + 1
3х - 9 = 4х - 11
-9 + 11 = 4х - 3х
х = 2
-2x+1+5x-10=-12+4x+1;
3x-9=-11+4x;
2=x или x=2.
-2x + 1 + 5(x-2) = -4(3-x) + 1
-2х + 1 + 5х - 10 = -12 + 4х + 1
3х - 9 = 4х - 11
-9 + 11 = 4х - 3х
х = 2