A)2+4+3=5x-4x+2x
b)9x-2x-10x=10+16
c)4x+12x=35-12-1
d)3x-2x-3x=25-10
e)4x-20x=10+3+16
f)5+4-20+2=13x
b)9x-2x-10x=10+16
c)4x+12x=35-12-1
d)3x-2x-3x=25-10
e)4x-20x=10+3+16
f)5+4-20+2=13x
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b)ou é1.816 ou 206
c)0
d)440
e)-781
f) -117
espero ter ajudado, rs