1) 4 * х + 10 = -10;
4 * x = -10 - 10;
4 * x = -20;
x = -20/4;
x = -5.
2) 2 * х - 10 = -3;
2 * x = -3 + 10;
2 * x = 7;
x = 7/2;
x = 3.5.
3) 2 * х + 6 = 8;
2 * x = 8 - 6;
2 * x = 2;
x = 2/2;
x = 1.
1) 4 * х + 10 = -10;
4 * x = -10 - 10;
4 * x = -20;
x = -20/4;
x = -5.
2) 2 * х - 10 = -3;
2 * x = -3 + 10;
2 * x = 7;
x = 7/2;
x = 3.5.
3) 2 * х + 6 = 8;
2 * x = 8 - 6;
2 * x = 2;
x = 2/2;
x = 1.