Question

Решите пож уравнение: 4х+х+(х+50)=470

Answer 1

4x+x+(x+50)=470
6x=420
x=70

Answer 2

раскрой скобки
Х + Х - 4 + Х + 15 = 50
3х + 11 = 50
3Х = 39
Х = 13

Answer 3

4х+х+(х+50)=470
5х+х+50=470
6х=470-50
6х=420
х=420:6
х=70