Question

Реши уравнения столбиком: 5t +30 - 2t =42, 36(x-3) = 10 -2 * (x+2)

Answer 1

5t+30-2t=42
5t-2t=42-30
3t=12
t=12:3
t=4
2)36(x-3)=10-2(x+2)
36x-108=10-2x+4
36x+2x=10+4+100
38x=114
x= 114:38
x=3

Answer 2

1) 3t=12
t=4
2)36x-108=10-2x-4
38x=114
x=3