x + x+2 = 130
2x = 128
x=64.....e.....x+2=66
incorretas => c) , d)
corretas ==> a), b) , e)
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x + x+2 = 130
2x = 128
x=64.....e.....x+2=66
incorretas => c) , d)
corretas ==> a), b) , e)