Question

Calculati:3+2x=-7;5+2x=-11;6+3x=-54;1+9x=-89;

Answer 1

3+2x= -7
2x= -7-3= -10
x=(-10):2= -5

5+2x= -11
2x= -11-5= -16
x=(-16):2= -8

6+3x= -54
3x= -54-6= -60
x=(-60):3= -20

1+9x= -89
9x= -89-1= -90
x=(-90):9= -10