Question

Помогите (7х+5)×2=30-х

Answer 1

(7х+5)×2=30-х
14x + 10 = 30 - x
15x = 20
x = 4 / 3

Answer 2

(7х+5)×2=30-х14х+10=30-х
14х+х=30-10
15х=20
х=20/15
х=4/3
х=1 1/3