1) x - (5 - x) = 3;
x - 5 + x = 3;
x + x = 3 + 5;
2x = 8;
x = 4;
2) 5(x - 2) = 2x - 4;
5x - 10 = 2x - 4;
5x - 2x = 10 - 4;
3x = 6;
x = 2.
1) x - (5 - x) = 3;
x - 5 + x = 3;
x + x = 3 + 5;
2x = 8;
x = 4;
2) 5(x - 2) = 2x - 4;
5x - 10 = 2x - 4;
5x - 2x = 10 - 4;
3x = 6;
x = 2.