Question

Решите увравнение 600-120+x*6=600, 1260+2*x=3000

Answer 1

1) 480+6x=600
6x=600-480
6x=120
x=120:6
x=20
2) 2x=3000-1260
2x=1740
x=1740:2
x=870

Answer 2

1)600-120+х*6=600
120+х*6=600-600
120+х*6=0
х*6=120+0
х*6=120
х=120:6
х=60
2)1260+2*х=3000
2*х=3000-1260
2*х=1740
х=1740:2
х=470