Question

решите уравнений 3 + 4(x – 9) = 19

Answer 1

4 * (Х - 9) = 19 - 3
4 * (Х - 9) = 16
Х - 9 = 16 : 4
Х - 9 = 4
Х = 9 + 4
Х = 13

Удачи)

Answer 2

3 + 4х - 36 = 19
4х - 33 = 19
4х = 19 + 33
4х = 52
х = 52:4
х = 13