Question

Решите уравнение: x:7=8
9xa=63

Answer 1

x:7=8
х=7*8
х=56

9xa=63
х=63/9а
х=7/а

Answer 2

x / 7 = 8
x = 8 * 7
x = 56

9xa = 63
9x = $\frac{63}{a}$
x = $\frac{7}{a}$