(2) Respostas
Serio? 10x - 12 + 10 = +18 - 20 10x = 18 - 20 + 12 - 10 10x = 0 x = 0 / 10 x = 0
10x-12+10=+18-20 10x=+18-20+12-10 10x=0 x= 0/10 ou x=0
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Serio? 10x - 12 + 10 = +18 - 20 10x = 18 - 20 + 12 - 10 10x = 0 x = 0 / 10 x = 0
10x-12+10=+18-20 10x=+18-20+12-10 10x=0 x= 0/10 ou x=0