CALCULE O VALOR DO X
A) X+ 5 =8
B) X+ 6 =10
C) X +13 = 54
D) X +27=42
E)X+10=21
F)X+12=78
G)4+X=9
H)9+X=43
I)18+X=54
A) X+ 5 =8
B) X+ 6 =10
C) X +13 = 54
D) X +27=42
E)X+10=21
F)X+12=78
G)4+X=9
H)9+X=43
I)18+X=54
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• Resolução:
a) x+5=8
x= 8-5
x=3
b) x+6=10
x= 10-6
x= 4
c)x+13=54
x= 54-13
x= 41
d) x+27=42
x= 42-27
x= 25
e) x+10=21
x= 21-10
x= 11
f) x+12= 78
x= 78-12
x= 66
g) 4+x=9
x= 9-4
x= 5
h) 9+x= 43
x= 43-9
x= 34
i) 18+x=54
x= 54-18
x= 36
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