anthony-jones_60b65efab9b05
anthony-jones_60b65efab9b05
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1)resolva as equações literais do 1º grau de incógnita x: so isolar o x a)3x+a=x+5a-6 3x-x+a-5a+6= 2x-4a+6 x=4a/2-6/2 x=2a-3