Question

нужно найти x
19x-16=7x-30

Answer 1

19x-7x=-30+16

12x=-14

x=-14:12

x=-7/6

x=-1 1/6

Answer 2

19х - 16 = 7х - 30
19х - 7х = -30 + 16
12х = -14
х = ( -14 ) : 12
х = -14/12 = -7/6 = - 1 1/6.
Ответ : х = -1 1/6.

Удачи))))