Question

Calculatii ecuatiile
2(x-3)=216 5-3x=x+1 280impartit x=155-85

Answer 1

1)
2(x-3)=216
x-3=216:2
x-3=108
x=108+3
x=111

2)
5-3x=x+1
5-1=3x+x
4=4x
x=4:4
x=1

3)
280:x=155-85
280:x=70
x=280:70
x=4