Flavinha1000 Flavinha1000 02-09-2013 Matemática Respondido 2x+10=1645x=7253x+45=75018x-23+2x=4007x=80030+x=90+2x45-2x+80=38-x+108x=800100=2x900+10x=1000x=3x-1527+3x+x=204x+10+3x=200+x+1045+5x+x=90010x=1000-90040+17-2x=50-3x-2067+20-3x=80-5x23-10=-13x20-7x=190+2x100+9x=700+4xMe Ajudem?