Question

5x + 3x - 200 = 1 000​

Answer 1

5х + 3х - 200 = 1000
8х = 1000 + 200 | :8
х = 150
Ответ: 150.

Answer 2

$5x + 3x - 200 = 1000 \\ 5x + 3x = 1000 + 200 \\ 8x = 1200 \\ x = 1200 \div 8 \\ x = 150$