4х + 5 (3-2х) = 5 - 11х
4х + 15 - 10 х - 5 + 11х = 0
5х = -10
х = -2
19 - 2 (3х + 8) = 2х - 37
19 - 6х - 16 - 2х + 37 = 0
-8х = - 40 (* - 1)
8х = 40
х = 5
4x+5(3-2x)=5-11x;
4x+15-10x=5-11x;
4x-10x+11x=5-15;
5x=-10;
x=-2.
ответ: -2.
19-2(3x+8)=2x-37;
19-6x-16=2x-37;
19-16+37=2x+6x;
40=8x;
x=5.
ответ: 5.
4х + 5 (3-2х) = 5 - 11х
4х + 15 - 10 х - 5 + 11х = 0
5х = -10
х = -2
19 - 2 (3х + 8) = 2х - 37
19 - 6х - 16 - 2х + 37 = 0
-8х = - 40 (* - 1)
8х = 40
х = 5
4x+5(3-2x)=5-11x;
4x+15-10x=5-11x;
4x-10x+11x=5-15;
5x=-10;
x=-2.
ответ: -2.
19-2(3x+8)=2x-37;
19-6x-16=2x-37;
19-16+37=2x+6x;
40=8x;
x=5.
ответ: 5.