Resolva as seguintes equações do 1 grau:
a) 2x+5=+1
b) -x+3=-2
c) 12x-3=x+8
d) 2x-x=3x+6
e) x+1-x=5
f) 2x-x=3
g) x-x=3x+6
h) 5x-4x=-x+6
PRECISO PRA AMANHÃ
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