Question

1 calcule as questoes
A)x+1=9
B)x-2=8
C)x+3=3
D)17+x=13

Answer 1

Vamos lá

A) x = 9-1

x = 8

B)  x = 8 +2

x = 10

c) x = 3 -3

x = 0

D) x = 13- 17

x =  - 4

Answer 2

A) x+1=9
     x=9-1
     x=8

B) x-2=8
    x=8-2
    x=6

C) x+3=3
    x=3-3
    x=0

D) 17+x=13
      x=13-17
      x= - 4