resolva as equações

a) x-3= 7

b) x+101=300

c) x-8= -10

d) x + 9= -1

e) 3x= 12

f) 9×= 18

g) 35 x = -105

h) 7 x-1= 13

I) 6x - 10= 2x +14

J) 6 x = 2x + 28​