Question

Б) 3(5-x)+13=4(3x-8)

Answer 1

3(5-х)+12=4(3х-8)
15-3х+12=12х-32
-3х-12х=-32-15-13
-15х=-60
х=-60/(-15)
х=4

Answer 2

15-3x+13=12x-32
-12x-3x=-32-15-13
-15x=-60
x=-60:(-15)
x=4
Ответ: x=4