Question

10•х+3•(12-Х)=1 решите уравнение

Answer 1

10•х+3•(12-Х)=1
10х+36-3х=1
7х=1-36
7х=-35
х=-35/7=-5

Answer 2

10x+3(12-x)=1
10x+ 36-3x=1
10x-3x= 1-36
7x= -35
x= -5