Resposta:x=3
A)43-10=23+2
B)7(3-1)-2(3-5)=3-5
C)3/4+7=3/2+5
D)3-1/5=3-23-1/3
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Resposta:x=3
A)43-10=23+2
B)7(3-1)-2(3-5)=3-5
C)3/4+7=3/2+5
D)3-1/5=3-23-1/3