Question

Решиите ураавнееенииее

Answer 1

$\frac{x + 4}{8} = \frac{7 - x}{3} \: \: \: |24 \\ (x + 4) \times 3 = (7 - x) \times 8 \\ 3x + 12 = 56 - 8x \\ 3x + 8x = 56 - 12 \\ 11x = 44 \\ x = 44 \div 11 \\ x = 4.$

Ответ : х = 4.

Answer 2

3х+12=56-8х

11х=44

Х=4