Question

por gentileza me ajudem a) x+4=20. b)x-8=40. c)x+30=100. d)x+7=12. e)x-3=15. f)x+1=8?​

Answer 1

Resposta:

a) x +4=20

x=20-4

x=16

b) x-8=40

x=40+8

x=48

c) x+30=100

x=100-30

x= 70

d) x+7=12

x=12-7

x= 5

e) x-3=15

x=15+3

x=18

f) x+1=8

x=8-1

x=7