Resolva as equações
a) (2x-1)=x-2
b) (2x²+15x-3)=x²+2x-3
c)(3x+2)=2x-3
d)(x-1)=3
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Resolva as equações
a) (2x-1)=x-2
b) (2x²+15x-3)=x²+2x-3
c)(3x+2)=2x-3
d)(x-1)=3
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2x-1=x-2 2x²+15x-3=x²+2x-3 3x+2=2x-3 x-1=3
2x-x=1-2 2x²-x²+15x-2x+3-3 3x-2x=-2-3 x=+1+3
x=-1 x²+13x x=-5 x=4
+3 -3 cortam