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